Momentum and Newton’s laws of motion
3.1What the syllabus asks of you
- understand that mass is the property of an object that resists change in motion
- recall F = ma and solve problems using it, understanding that acceleration and resultant force are always in the same direction
- define and use linear momentum as the product of mass and velocity
- define and use force as rate of change of momentum
- state and apply each of Newton’s laws of motion
- describe and use the concept of weight as the effect of a gravitational field on a mass and recall that the weight of an object is equal to the product of its mass and the acceleration of free fall
Read the notes first
Chapter 3: Momentum and Newton's laws of motion
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Every question on Momentum and Newton’s laws of motion, untimed, marked as you go.
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123 questions
1May / June 2026 · Paper 11 · Q9Show mark scheme →
Athe contact force acting on the book due to the table
Bthe contact force acting on the table due to the book
Cthe friction force between the book and the table
Dthe gravitational force acting on the Earth due to the book
Mark scheme
2May / June 2026 · Paper 12 · Q9Show mark scheme →
Aforce per unit time
Bmass per unit velocity
Cproduct of force and time
Dproduct of mass and velocity
Mark scheme
3May / June 2026 · Paper 12 · Q11Show mark scheme →
A44.1 N
B3560 N
C3600 N
D3640 N
Mark scheme
4May / June 2026 · Paper 12 · Q12Show mark scheme →
AThe forces act in opposite directions.
BThe forces act on different objects.
CThe forces act on objects in contact.
DThe forces are of equal magnitude.
Mark scheme
5May / June 2026 · Paper 13 · Q11Show mark scheme →
Athe force the object experiences due to gravity
Bthe momentum of the object before a collision
Cthe resistance of the object to changes in motion
Dthe weight of the object as measured by a balance
Mark scheme
6May / June 2026 · Paper 14 · Q9Show mark scheme →
At = (mv + mΔv)/F
Bt = mΔv/F
Ct = F/(mΔv)
Dt = F/(mv + mΔv)
Mark scheme
7May / June 2026 · Paper 14 · Q10Show mark scheme →
AN = P + W
BN > P
CN = W
DN > W
Mark scheme
8Oct / Nov 2025 · Paper 11 · Q11Show mark scheme →
A500 N
B5000 N
C25 000 N
D50 000 N
Mark scheme
9Oct / Nov 2025 · Paper 11 · Q12Show mark scheme →
AWa/g + W
BWa/g
CWa/g – W
DWa + W
Mark scheme
10Oct / Nov 2025 · Paper 12 · Q8Show mark scheme →
AIt is equal to the mass of the object multiplied by its acceleration.
BIt is equal to the resultant force when the object falls at terminal (constant) velocity.
CIt is the force acting on the object due to a gravitational field.
DIt is the property of the object that resists change in motion.
Mark scheme
11Oct / Nov 2025 · Paper 13 · Q11Show mark scheme →
A500 N
B5000 N
C25 000 N
D50 000 N
Mark scheme
12Oct / Nov 2025 · Paper 13 · Q12Show mark scheme →
A\frac{Wa}{g} + W
B\frac{Wa}{g}
C\frac{Wa}{g} - W
DWa + W
Mark scheme
13Oct / Nov 2025 · Paper 14 · Q4Show mark scheme →
AGraph A: p constant (horizontal line)
BGraph B: p increasing with decreasing gradient (curve)
CGraph C: p increasing linearly (straight line through origin)
DGraph D: p increasing with increasing gradient (curve)
Mark scheme
14Oct / Nov 2025 · Paper 14 · Q8Show mark scheme →
Amass: different, weight: different
Bmass: different, weight: same
Cmass: same, weight: different
Dmass: same, weight: same
Mark scheme
15May / June 2025 · Paper 11 · Q10Show mark scheme →
Aair resistance and force on gases
Bair resistance and thrust
Cforce on gases and thrust
Dthrust and weight
Mark scheme
16May / June 2025 · Paper 11 · Q11Show mark scheme →
A3.1 N
B4.0 N
C6.9 N
D7.1 N
Mark scheme
17May / June 2025 · Paper 12 · Q7Show mark scheme →
A20 m s–1
B40 m s–1
C80 m s–1
D100 m s–1
Mark scheme
18May / June 2025 · Paper 12 · Q9Show mark scheme →
A2.1 kN
B17 kN
C18 kN
D162 kN
Mark scheme
19May / June 2025 · Paper 12 · Q11Show mark scheme →
Athe force exerted by the cyclist on the pedals
Bthe forward push of the road on the back wheel
Cthe tension in the cycle chain
Dthe total air resistance and friction force
Mark scheme
20May / June 2025 · Paper 13 · Q9Show mark scheme →
AWhen a force acts on a body that is free to move, the force is the product of the mass of the body and its acceleration.
BWhen a force acts on a body that is free to move, the force is the rate of change of momentum of the body.
CWhen a force acts on a body that is free to move, the force is the work done by the force divided by the distance moved by the body.
DWhen a force acts on a lever and causes a moment, the force is the moment divided by the perpendicular distance of the force from the pivot.
Mark scheme
21May / June 2025 · Paper 14 · Q7Show mark scheme →
Aforce = change of momentum
Bforce = mass × acceleration
Cforce = moment / perpendicular distance from the pivot
Dforce = work done / displacement in the direction of the force
Mark scheme
22Feb / March 2025 · Paper 12 · Q3Show mark scheme →
A13 kg
B1000 kg
C1300 kg
D10 000 kg
Mark scheme
23Feb / March 2025 · Paper 12 · Q8Show mark scheme →
A1.2mg
Bmg
C0.8mg
D0
Mark scheme
24Oct / Nov 2024 · Paper 11 · Q10Show mark scheme →
A0.032 m s–2
B0.32 m s–2
C0.61 m s–2
D0.65 m s–2
Mark scheme
25Oct / Nov 2024 · Paper 11 · Q11Show mark scheme →
AmvΔt
Bmv/Δt
C½mv²Δt
D½mv²/Δt
Mark scheme
26Oct / Nov 2024 · Paper 12 · Q9Show mark scheme →
A16 N
B37 N
C53 N
D91 N
Mark scheme
27Oct / Nov 2024 · Paper 13 · Q9Show mark scheme →
A0
B1500 N
C2000 N
D4000 N
Mark scheme
28May / June 2024 · Paper 11 · Q9Show mark scheme →
Agraph of v against t: starts at 0, increasing with increasing gradient (concave up)
Bgraph of v against t: starts at 0, S-shaped, gradient increasing then decreasing, levelling off
Cgraph of v against t: rectangular pulse, constant positive v then drops to zero
Dgraph of v against t: rises linearly to a peak then falls linearly through zero to negative
Mark scheme
29May / June 2024 · Paper 11 · Q10Show mark scheme →
Amass: its momentum divided by its velocity; weight: the work done in lifting it one metre
Bmass: the gravitational force on it; weight: the property that resists its acceleration
Cmass: the pull of the Earth on it; weight: its mass divided by the acceleration of free fall
Dmass: the property that resists its acceleration; weight: the pull of the Earth on it
Mark scheme
30May / June 2024 · Paper 11 · Q13Show mark scheme →
A0.20 N s
B0.50 N s
C1.5 N s
D3.5 N s
Mark scheme
31May / June 2024 · Paper 13 · Q6Show mark scheme →
A2.0 N
B3.0 N
C5.0 N
D8.0 N
Mark scheme
32May / June 2024 · Paper 13 · Q7Show mark scheme →
AThey act in opposite directions.
BThey act on different objects.
CThey are the same type of force.
DThey cause an object to be in equilibrium.
Mark scheme
33Feb / March 2024 · Paper 12 · Q2Show mark scheme →
A0.47 m s⁻²
B1.4 m s⁻²
C1.9 m s⁻²
D3.3 m s⁻²
Mark scheme
34Feb / March 2024 · Paper 12 · Q4Show mark scheme →
AIt increases uniformly with respect to time.
BIt is constant but not zero.
CIt is proportional to the displacement from point P.
DIt is zero.
Mark scheme
35Feb / March 2024 · Paper 12 · Q15Show mark scheme →
Athe product of mass and acceleration
Bthe product of mass and velocity
Cthe rate of change of momentum
Dthe rate of transfer of energy
Mark scheme
36Oct / Nov 2023 · Paper 11 · Q7Show mark scheme →
AIt is equal to the weight of the man.
BIt is greater than the force exerted by the floor on the man.
CIt is less than the force exerted by the floor on the man.
DIt is less than the weight of the man.
Mark scheme
37Oct / Nov 2023 · Paper 11 · Q8Show mark scheme →
A20 N
B60 N
C20 kN
D60 kN
Mark scheme
38Oct / Nov 2023 · Paper 12 · Q7Show mark scheme →
A3.5 N
B3.9 N
C4.5 N
D6.3 N
Mark scheme
39Oct / Nov 2023 · Paper 12 · Q8Show mark scheme →
Athe acceleration of the object per unit mass
Bthe change in kinetic energy of the object per unit time
Cthe change in momentum of the object per unit time
Dthe change in velocity of the object per unit time
Mark scheme
40Oct / Nov 2023 · Paper 13 · Q7Show mark scheme →
AMass has a magnitude and a direction.
BMass resists changes in motion.
CThe greater the mass of an object, the greater its acceleration when falling in a vacuum.
DThe mass of an object depends on its location.
Mark scheme
41Oct / Nov 2023 · Paper 13 · Q8Show mark scheme →
A1.4 N
B2.3 N
C4.2 N
D7.0 N
Mark scheme
42May / June 2023 · Paper 11 · Q7Show mark scheme →
A0.750 m s⁻¹
B3.00 m s⁻¹
C7.36 m s⁻¹
D29.4 m s⁻¹
Mark scheme
43May / June 2023 · Paper 11 · Q8Show mark scheme →
A
B
C
D
Mark scheme
44May / June 2023 · Paper 12 · Q7Show mark scheme →
Athe force the object experiences due to gravity
Bthe momentum of the object before a collision
Cthe resistance of the object to changes in motion
Dthe weight of the object as measured by a balance
Mark scheme
45May / June 2023 · Paper 12 · Q8Show mark scheme →
A0.613 m s–2
B0.654 m s–2
C9.81 m s–2
D10.5 m s–2
Mark scheme
46May / June 2023 · Paper 13 · Q7Show mark scheme →
A0.36 N
B0.90 N
C2.3 N
D900 N
Mark scheme
47May / June 2023 · Paper 13 · Q8Show mark scheme →
Atotal resistive forces and driving force on a car
Bgravitational force between Earth and Moon
Csupport force and weight on a block
Dlift and weight on an aeroplane
Mark scheme
48Feb / March 2023 · Paper 12 · Q4Show mark scheme →
A0.020 kg m s⁻¹
B0.10 kg m s⁻¹
C0.14 kg m s⁻¹
D0.50 kg m s⁻¹
Mark scheme
49Feb / March 2023 · Paper 12 · Q7Show mark scheme →
A(mass × change in speed) × time taken
B\frac{mass × change in speed}{time taken}
C(change of momentum) × time taken
D\frac{change of momentum}{time taken}
Mark scheme
50Feb / March 2023 · Paper 12 · Q8Show mark scheme →
A15 seconds
B150 seconds
C25 minutes
D250 minutes
Mark scheme
51Oct / Nov 2022 · Paper 11 · Q7Show mark scheme →
Aforce per unit time
Bproduct of force and time
Cproduct of velocity and mass
Dvelocity per unit mass
Mark scheme
52Oct / Nov 2022 · Paper 11 · Q8Show mark scheme →
A4.9 m s–2
B6.5 m s–2
C9.8 m s–2
D15 m s–2
Mark scheme
53Oct / Nov 2022 · Paper 12 · Q8Show mark scheme →
AF/t
BFt/m
CFt
DF/(mt)
Mark scheme
54Oct / Nov 2022 · Paper 12 · Q9Show mark scheme →
Amass 1.0 kg, weight 0.1 N
Bmass 1.0 kg, weight 10 N
Cmass 10 kg, weight 10 N
Dmass 10 kg, weight 100 N
Mark scheme
55Oct / Nov 2022 · Paper 13 · Q8Show mark scheme →
A0.2 N
B1 N
C20 N
D100 N
Mark scheme
56May / June 2022 · Paper 11 · Q7Show mark scheme →
AThe resultant force acting on the object is equal to its weight.
BThe resultant force acting on the object is equal to the product of its mass and its velocity.
CThe resultant force acting on the object is equal to the resistive force.
DThe resultant force acting on the object is equal to zero.
Mark scheme
57May / June 2022 · Paper 11 · Q8Show mark scheme →
Aρv / A
Bρv² / A
CρAv
DρAv²
Mark scheme
58May / June 2022 · Paper 12 · Q7Show mark scheme →
AThe forces act in opposite directions.
BThe forces act on different objects.
CThe forces act on objects in contact.
DThe forces are of equal magnitude.
Mark scheme
59May / June 2022 · Paper 12 · Q8Show mark scheme →
A4.0 N
B6.0 N
C8.0 N
D12 N
Mark scheme
60May / June 2022 · Paper 13 · Q8Show mark scheme →
Athe kinetic energy of the car
Bthe rate of change of kinetic energy of the car
Cthe resultant force on the car
Dthe velocity of the car
Mark scheme
61May / June 2022 · Paper 13 · Q9Show mark scheme →
AN = P + W
BN > P + W
CN = W
DN > W
Mark scheme
62Feb / March 2022 · Paper 12 · Q7Show mark scheme →
AThe acceleration of X is equal to force F divided by the mass of X.
BThe force that X exerts on Y is equal to F.
CThe force that X exerts on Y is less than F.
DThe force that X exerts on Y is less than the force that Y exerts on X.
Mark scheme
63Feb / March 2022 · Paper 12 · Q8Show mark scheme →
A0.50 kN
B1.5 kN
C2.0 kN
D3.5 kN
Mark scheme
64Oct / Nov 2021 · Paper 11 · Q8Show mark scheme →
AGraph A
BGraph B
CGraph C
DGraph D
Mark scheme
65Oct / Nov 2021 · Paper 11 · Q9Show mark scheme →
AIf the object has mass then the field causes it to accelerate.
BIf the object has mass then the field causes it to have weight.
CIf the object has weight then the field causes it to accelerate.
DIf the object has weight then the field causes it to have mass.
Mark scheme
66Oct / Nov 2021 · Paper 11 · Q10Show mark scheme →
A800 N
B2400 N
C3200 N
D5600 N
Mark scheme
67Oct / Nov 2021 · Paper 12 · Q8Show mark scheme →
Athe property of the object that resists a change in motion
Bthe pull of the Earth on the object
Cthe total number of atoms in the object
Dthe weight of the object
Mark scheme
68Oct / Nov 2021 · Paper 12 · Q9Show mark scheme →
AThe acceleration of Y is half the acceleration of X.
BThe acceleration of Y is the same as the acceleration of X.
CThe acceleration of Y is more than the acceleration of X, but less than twice the value.
DThe acceleration of Y is twice the acceleration of X.
Mark scheme
69Oct / Nov 2021 · Paper 13 · Q8Show mark scheme →
A30 N
B270 N
C1800 N
D110 000 N
Mark scheme
70May / June 2021 · Paper 11 · Q8Show mark scheme →
Aair resistance
Bforce of the exhaust gases on the rocket
Cforce of the rocket on the exhaust gases
Dgravitational force of the rocket on the Earth
Mark scheme
71May / June 2021 · Paper 12 · Q8Show mark scheme →
Athe force W acting downwards on the Earth from the table
Bthe force W acting upwards on the book from the table
Cthe force W acting upwards on the Earth from the book
Dthe force W acting upwards on the table from the floor
Mark scheme
72May / June 2021 · Paper 13 · Q8Show mark scheme →
Asinθ < m/M
Bcosθ < m/M
Csinθ > m/M
Dcosθ > m/M
Mark scheme
73May / June 2021 · Paper 13 · Q9Show mark scheme →
A40 mN, 6.0 g
B3.0 N, 500 g
C10 N, 1 kg
D2.6 kN, 750 kg
Mark scheme
74Feb / March 2021 · Paper 12 · Q8Show mark scheme →
Azero
B$\dfrac{2p}{t}$
C$\dfrac{2p\cos\theta}{t}$
D$\dfrac{2p\sin\theta}{t}$
Mark scheme
75Oct / Nov 2020 · Paper 12 · Q8Show mark scheme →
AIf body X exerts a force on body Y, body Y exerts an equal and opposite force on body X.
BIf no resultant force acts on a body it has constant velocity.
CThe rate of change of momentum of a body is proportional to the resultant force acting on it and takes place in the direction of the force.
DThe total momentum of a system of interacting bodies is constant if there is no external force.
Mark scheme
76Oct / Nov 2020 · Paper 13 · Q8Show mark scheme →
A0.36 N
B0.90 N
C2.3 N
D900 N
Mark scheme
77May / June 2020 · Paper 12 · Q7Show mark scheme →
AGraph A
BGraph B
CGraph C
DGraph D
Mark scheme
78May / June 2020 · Paper 12 · Q8Show mark scheme →
A67.3 N
B178 N
C250 N
D660 N
Mark scheme
79May / June 2020 · Paper 13 · Q8Show mark scheme →
A\frac{mv - mu}{\Delta t} downwards
B\frac{mv - mu}{\Delta t} upwards
C\frac{mv + mu}{\Delta t} downwards
D\frac{mv + mu}{\Delta t} upwards
Mark scheme
80Feb / March 2020 · Paper 12 · Q8Show mark scheme →
Adownwards, constant speed
Bdownwards, slowing down
Cupwards, constant speed
Dupwards, slowing down
Mark scheme
81Oct / Nov 2019 · Paper 11 · Q6Show mark scheme →
A0.60 N
B0.80 N
C1.5 N
D2.0 N
Mark scheme
82Oct / Nov 2019 · Paper 11 · Q7Show mark scheme →
AA body remains at constant velocity unless acted upon by a resultant force.
BA satellite in circular motion about the Earth has a constant velocity.
CA water drop leaving a spinning umbrella travels at a constant velocity.
DThe force acting on an object is equal to its change in momentum.
Mark scheme
83Oct / Nov 2019 · Paper 11 · Q8Show mark scheme →
Athe acceleration of the object per unit mass
Bthe change in kinetic energy of the object per unit time
Cthe change in momentum of the object per unit time
Dthe change in velocity of the object per unit time
Mark scheme
84Oct / Nov 2019 · Paper 12 · Q7Show mark scheme →
A1.4 N
B2.3 N
C4.2 N
D7.0 N
Mark scheme
85Oct / Nov 2019 · Paper 13 · Q7Show mark scheme →
A
B
C
D
Mark scheme
86May / June 2019 · Paper 11 · Q9Show mark scheme →
Atotal resistive forces and driving force on a car
Bgravitational attraction between Earth and Moon
Csupport force and weight on a block
Dlift and weight on an aeroplane
Mark scheme
87May / June 2019 · Paper 11 · Q11Show mark scheme →
Azero
B0.5 mv
Cmv
D2mv
Mark scheme
88May / June 2019 · Paper 12 · Q9Show mark scheme →
Athe force the object experiences due to gravity
Bthe momentum of the object before a collision
Cthe resistance of the object to changes in motion
Dthe weight of the object as measured by a balance
Mark scheme
89May / June 2019 · Paper 12 · Q10Show mark scheme →
Ama
B2ma
C3ma
D4ma
Mark scheme
90Oct / Nov 2018 · Paper 11 · Q7Show mark scheme →
A30 N
B270 N
C1800 N
D108 000 N
Mark scheme
91Oct / Nov 2018 · Paper 12 · Q7Show mark scheme →
A
B
C
D
Mark scheme
92Oct / Nov 2018 · Paper 12 · Q8Show mark scheme →
Amass on Q / kg: 1.0, weight on Q / N: 0.1
Bmass on Q / kg: 1.0, weight on Q / N: 10
Cmass on Q / kg: 10, weight on Q / N: 10
Dmass on Q / kg: 10, weight on Q / N: 100
Mark scheme
93Oct / Nov 2018 · Paper 13 · Q7Show mark scheme →
A2.0 m s⁻²
B4.0 m s⁻²
C8.0 m s⁻²
D16 m s⁻²
Mark scheme
94Oct / Nov 2018 · Paper 13 · Q8Show mark scheme →
A4.9 m s–2
B5.7 m s–2
C8.5 m s–2
D9.8 m s–2
Mark scheme
95Oct / Nov 2018 · Paper 13 · Q10Show mark scheme →
A15 seconds
B150 seconds
C25 minutes
D250 minutes
Mark scheme
96May / June 2018 · Paper 11 · Q7Show mark scheme →
A0.63 m s–2
B1.6 m s–2
C3.2 m s–2
D9.8 m s–2
Mark scheme
97May / June 2018 · Paper 12 · Q8Show mark scheme →
A110 N
B220 N
C330 N
D550 N
Mark scheme
98May / June 2018 · Paper 13 · Q7Show mark scheme →
Asinθ < m/M
Bcosθ < m/M
Csinθ > m/M
Dcosθ > m/M
Mark scheme
99Feb / March 2018 · Paper 12 · Q10Show mark scheme →
A0.0010 N
B0.0054 N
C0.0090 N
D0.54 N
Mark scheme
100Oct / Nov 2017 · Paper 12 · Q10Show mark scheme →
A\frac{(M + m)}{(M - m)} g
B\frac{(M - m)}{(M + m)} g
C\frac{M}{m} g
D\frac{m}{M} g
Mark scheme
101Oct / Nov 2017 · Paper 13 · Q8Show mark scheme →
AIt is equal to the weight of the man.
BIt is greater than the force exerted by the floor on the man.
CIt is less than the force exerted by the floor on the man.
DIt is less than the weight of the man.
Mark scheme
102Oct / Nov 2017 · Paper 13 · Q9Show mark scheme →
A2.3 N
B7.0 N
C2300 N
D7000 N
Mark scheme
103May / June 2017 · Paper 11 · Q7Show mark scheme →
AThe acceleration of the truck decreases as the fuel is consumed.
BThe acceleration of the truck increases as the fuel is consumed.
CThe acceleration of the truck remains constant.
DThe acceleration of the truck is zero and the truck moves at a constant velocity.
Mark scheme
104May / June 2017 · Paper 11 · Q10Show mark scheme →
A500 N
B5000 N
C25 000 N
D50 000 N
Mark scheme
105May / June 2017 · Paper 12 · Q7Show mark scheme →
AGraph A: F increases linearly from zero
BGraph B: F starts high, decreases to a minimum, then increases
CGraph C: F starts at zero, rises to a maximum, then falls back to zero
DGraph D: F starts high and decreases linearly to zero
Mark scheme
106May / June 2017 · Paper 12 · Q8Show mark scheme →
A$m\sqrt{2gh_1} - m\sqrt{2gh_2}$
B$m\sqrt{2gh_1} + m\sqrt{2gh_2}$
C$m\sqrt{2g(h_1 - h_2)}$
D$m\sqrt{2g(h_1 + h_2)}$
Mark scheme
107May / June 2017 · Paper 12 · Q9Show mark scheme →
Athe force W acting downwards on the Earth from the table
Bthe force W acting upwards on the book from the table
Cthe force W acting upwards on the Earth from the book
Dthe force W acting upwards on the table from the floor
Mark scheme
108May / June 2017 · Paper 13 · Q7Show mark scheme →
Aspeed-time graph: speed decreasing with decreasing gradient (concave up curve) from initial speed to zero at time t
Bspeed-time graph: speed decreasing linearly (straight line) from initial speed to zero at time t
Cspeed-time graph: speed decreasing with an S-shaped curve from initial speed to zero at time t
Dspeed-time graph: speed decreasing with increasing gradient (concave down curve) from initial speed to zero at time t
Mark scheme
109May / June 2017 · Paper 13 · Q9Show mark scheme →
A16 N
B37 N
C53 N
D91 N
Mark scheme
110May / June 2017 · Paper 13 · Q10Show mark scheme →
A0.010 N
B0.020 N
C0.067 N
D0.44 N
Mark scheme
111Feb / March 2017 · Paper 12 · Q8Show mark scheme →
A0.40 N
B0.93 N
C4.0 N
D39 N
Mark scheme
112Feb / March 2017 · Paper 12 · Q9Show mark scheme →
Aρv/A
Bρv²/A
CρAv
DρAv²
Mark scheme
113Oct / Nov 2016 · Paper 11 · Q9Show mark scheme →
Aspeed-time graph: speed zero until a time, then increases linearly
Bspeed-time graph: speed zero until a time, then increases with increasing gradient
Cspeed-time graph: speed zero until a time, then rises sharply to a constant value
Dspeed-time graph: speed zero until a time, then rises smoothly to a constant value
Mark scheme
114Oct / Nov 2016 · Paper 11 · Q11Show mark scheme →
Ama
B2ma
C3ma
D4ma
Mark scheme
115Oct / Nov 2016 · Paper 11 · Q12Show mark scheme →
AP is the equal and opposite force to Q and both are forces of contact.
BQ is the equal and opposite force to P and both are gravitational forces.
CR is the equal and opposite force to S and both are forces of contact.
DS is the equal and opposite force to Q and both are gravitational forces.
Mark scheme
116Oct / Nov 2016 · Paper 12 · Q12Show mark scheme →
A24 N
B240 N
C2400 N
D24 000 N
Mark scheme
117Oct / Nov 2016 · Paper 13 · Q9Show mark scheme →
Aspeed-time graph: speed increases linearly from zero after a delay
Bspeed-time graph: speed increases with increasing gradient after a delay
Cspeed-time graph: speed rises sharply then becomes constant after a delay
Dspeed-time graph: speed rises smoothly (S-shape) then becomes constant after a delay
Mark scheme
118Oct / Nov 2016 · Paper 13 · Q11Show mark scheme →
Ama
B2ma
C3ma
D4ma
Mark scheme
119Oct / Nov 2016 · Paper 13 · Q12Show mark scheme →
AP is the equal and opposite force to Q and both are forces of contact.
BQ is the equal and opposite force to P and both are gravitational forces.
CR is the equal and opposite force to S and both are forces of contact.
DS is the equal and opposite force to Q and both are gravitational forces.
Mark scheme
120May / June 2016 · Paper 11 · Q11Show mark scheme →
A2.4 m s–1
B6.9 m s–1
C24 m s–1
D47 m s–1
Mark scheme
121May / June 2016 · Paper 12 · Q9Show mark scheme →
A$p_1 = 0.15\ \mathrm{kg\,m\,s^{-1}}$, $p_2 = 0.65\ \mathrm{kg\,m\,s^{-1}}$
B$p_1 = 0.20\ \mathrm{kg\,m\,s^{-1}}$, $p_2 = 0.30\ \mathrm{kg\,m\,s^{-1}}$
C$p_1 = 0.30\ \mathrm{kg\,m\,s^{-1}}$, $p_2 = 0.20\ \mathrm{kg\,m\,s^{-1}}$
D$p_1 = 0.65\ \mathrm{kg\,m\,s^{-1}}$, $p_2 = 0.15\ \mathrm{kg\,m\,s^{-1}}$
Mark scheme
122May / June 2016 · Paper 13 · Q11Show mark scheme →
A3.1 × 10⁻⁸ m s⁻²
B6.3 × 10⁻⁷ m s⁻²
C3.2 × 10⁻³ m s⁻²
D6.4 × 10⁻² m s⁻²
Mark scheme
123Feb / March 2016 · Paper 12 · Q9Show mark scheme →
AWhen a force acts on a body that is free to move, the force is the product of the mass of the body and its acceleration.
BWhen a force acts on a body that is free to move, the force is the rate of change of momentum of the body.
CWhen a force acts on a body that is free to move, the force is the work done by the force divided by the distance moved by the body.
DWhen a force acts on a lever and causes a moment, the force is the moment divided by the perpendicular distance of the force from the pivot.
Mark scheme