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Scalars and vectors

1.4

What the syllabus asks of you

  • understand the difference between scalar and vector quantities and give examples of scalar and vector quantities included in the syllabus
  • add and subtract coplanar vectors
  • represent a vector as two perpendicular components

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Chapter 1: Scalars and vectors

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79 questions

1May / June 2026 · Paper 11 · Q4
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A1 N
B5 N
C7 N
D13 N

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2May / June 2026 · Paper 12 · Q1
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Ascalar quantities: energy and work; vector quantities: momentum and power
Bscalar quantities: energy and momentum; vector quantities: force and power
Cscalar quantities: energy and power; vector quantities: force and momentum
Dscalar quantities: momentum and power; vector quantities: force and velocity

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3May / June 2026 · Paper 13 · Q1
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Adensity
Bmass
Cpressure
Dweight

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4May / June 2026 · Paper 13 · Q4
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A14 N
B16 N
C17 N
D18 N

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5Oct / Nov 2025 · Paper 11 · Q1
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Aacceleration: scalar, charge: vector, kinetic energy: vector, wavelength: scalar
Bacceleration: vector, charge: vector, kinetic energy: scalar, wavelength: scalar
Cacceleration: scalar, charge: scalar, kinetic energy: scalar, wavelength: vector
Dacceleration: vector, charge: scalar, kinetic energy: scalar, wavelength: scalar

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6Oct / Nov 2025 · Paper 11 · Q4
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A6.0 N
B7.9 N
C10 N
D12 N

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7Oct / Nov 2025 · Paper 13 · Q1
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Aacceleration: scalar, charge: vector, kinetic energy: vector, wavelength: scalar
Bacceleration: vector, charge: vector, kinetic energy: scalar, wavelength: scalar
Cacceleration: scalar, charge: scalar, kinetic energy: scalar, wavelength: vector
Dacceleration: vector, charge: scalar, kinetic energy: scalar, wavelength: scalar

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8Oct / Nov 2025 · Paper 13 · Q4
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A6.0 N
B7.9 N
C10 N
D12 N

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9May / June 2025 · Paper 11 · Q1
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Apressure
Btemperature
Cweight
Dwork

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10May / June 2025 · Paper 11 · Q4
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AX + Y: horizontal arrow to the right; X − Y: vertical arrow downwards
BX + Y: horizontal arrow to the right; X − Y: vertical arrow upwards
CX + Y: horizontal arrow to the left; X − Y: vertical arrow downwards
DX + Y: horizontal arrow to the left; X − Y: vertical arrow upwards

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11May / June 2025 · Paper 13 · Q1
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A1 N upwards
B2 kg decrease
C3 K cooler
D4 s later

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12May / June 2025 · Paper 14 · Q4
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A2.4 N
B3.2 N
C4.8 N
D6.4 N

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13Feb / March 2025 · Paper 12 · Q1
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Aforce
Bmomentum
Cvelocity
Dwork

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14Oct / Nov 2024 · Paper 11 · Q2
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AAcceleration of free fall is a vector quantity because it has a constant magnitude.
BTemperature in °C is a vector quantity because it can be positive or negative.
CTime is a vector quantity because it can only go in the forwards direction.
DWeight is a vector quantity because it has a direction.

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15May / June 2024 · Paper 11 · Q3
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Avector A
Bvector B
Cvector C
Dvector D

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16May / June 2024 · Paper 11 · Q5
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Acurrent × time
Bfinal displacement – initial displacement
C\frac{\text{work done}}{\text{time}}
D\frac{1}{2} \times \text{mass} \times (\text{speed})^2

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17May / June 2024 · Paper 11 · Q16
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A3/5 T
B6/5 T
C8/5 T
D2T

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18May / June 2024 · Paper 12 · Q1
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Aa quantity that can be represented as two perpendicular components
Ba quantity that does not require a unit
Ca quantity without a direction
Da quantity without a magnitude

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19May / June 2024 · Paper 12 · Q9
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A5 m s⁻¹ to the left
B5 m s⁻¹ to the right
C11 m s⁻¹ to the left
D11 m s⁻¹ to the right

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20May / June 2024 · Paper 13 · Q4
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A(force) × (displacement of an object in the direction of the force)
B(mass) × (acceleration of the mass)
C(pressure) × (area on which the pressure acts)
D(velocity) × (time for which an object has that velocity)

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21Feb / March 2024 · Paper 12 · Q5
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A5.5 m s⁻¹
B6.1 m s⁻¹
C12 m s⁻¹
D14 m s⁻¹

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22Oct / Nov 2023 · Paper 11 · Q4
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A
B
C
D

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23Oct / Nov 2023 · Paper 13 · Q4
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Aθ = 42°, v = 4.5 m s⁻¹
Bθ = 42°, v = 7.2 m s⁻¹
Cθ = 48°, v = 4.5 m s⁻¹
Dθ = 48°, v = 7.2 m s⁻¹

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24May / June 2023 · Paper 11 · Q4
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A5 N
B10 N
C17 N
D20 N

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25May / June 2023 · Paper 12 · Q4
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A
B
C
D

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26May / June 2023 · Paper 13 · Q4
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Adiagram A
Bdiagram B
Cdiagram C
Ddiagram D

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27Oct / Nov 2022 · Paper 11 · Q4
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Amomentum
Bspeed
Ctemperature
DYoung modulus

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28Oct / Nov 2022 · Paper 12 · Q4
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AA scalar quantity has direction but a vector quantity does not.
BA scalar quantity has magnitude but a vector quantity does not.
CA vector quantity has direction but a scalar quantity does not.
DA vector quantity has magnitude but a scalar quantity does not.

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29Oct / Nov 2022 · Paper 13 · Q4
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Adensity
Bmass
Cvolume
Dweight

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30May / June 2022 · Paper 11 · Q4
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Ahorizontal component 9.73 N, vertical component 0.534 N
Bhorizontal component 9.73 N, vertical component 10.2 N
Chorizontal component 18.0 N, vertical component 0.534 N
Dhorizontal component 18.0 N, vertical component 10.2 N

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31May / June 2022 · Paper 12 · Q4
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A
B
C
D

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32May / June 2022 · Paper 13 · Q5
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A0 N
B5 N
C8 N
D13 N

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33Feb / March 2022 · Paper 12 · Q4
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AA scalar quantity has direction but not magnitude.
BA scalar quantity has magnitude but not direction.
CA vector quantity has direction but not magnitude.
DA vector quantity has magnitude but not direction.

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34Oct / Nov 2021 · Paper 11 · Q3
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Aθ = 14°, resultant velocity = 770 km h⁻¹
Bθ = 14°, resultant velocity = 820 km h⁻¹
Cθ = 76°, resultant velocity = 770 km h⁻¹
Dθ = 76°, resultant velocity = 820 km h⁻¹

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35Oct / Nov 2021 · Paper 12 · Q3
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Av sinθ
Bv_y cosθ
Cv_y sinθ
D(v² − v_y²)^(1/2)

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36Oct / Nov 2021 · Paper 13 · Q3
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Aacceleration, displacement, force, weight
Bdensity, energy, frequency, velocity
Cdistance, pressure, temperature, time
Dmomentum, power, volume, wavelength

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37May / June 2021 · Paper 11 · Q3
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A10 cos 30° – 5 | 10 cos 30°
B10 sin 30° – 5 | 10 cos 30°
C10 – 5 cos 30° | 5 sin 30°
D10 – 5 sin 30° | 5 cos 30°

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38May / June 2021 · Paper 12 · Q3
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A15 N at 15° to the vertical
B15 N at 18° to the vertical
C7.7 N at 37° to the vertical
D6.6 N at 36° to the vertical

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39May / June 2021 · Paper 13 · Q3
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A12 N
B16 N
C25 N
D27 N

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40Feb / March 2021 · Paper 12 · Q3
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Anortherly 38, easterly 38
Bnortherly 38, easterly 65
Cnortherly 65, easterly 38
Dnortherly 65, easterly 65

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41Oct / Nov 2020 · Paper 11 · Q3
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Adiagram A
Bdiagram B
Cdiagram C
Ddiagram D

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42Oct / Nov 2020 · Paper 12 · Q3
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AGraph A: P starts at maximum at θ = 0 and decreases to 0 at θ = 90°
BGraph B: P starts at 0 at θ = 0 and increases to maximum at θ = 90°
CGraph C: P starts at 0 at θ = 0 and increases to maximum at θ = 90°
DGraph D: P starts at maximum at θ = 0 and decreases to 0 at θ = 90°

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43Oct / Nov 2020 · Paper 13 · Q3
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Adisplacement and distance
Bforce and momentum
Ctorque and time
Dweight and pressure

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44May / June 2020 · Paper 11 · Q3
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Ascalars: displacement, time; vectors: force, power
Bscalars: power, work; vectors: displacement, force
Cscalars: power, force; vectors: displacement, work
Dscalars: work, time; vectors: power, displacement

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45May / June 2020 · Paper 12 · Q2
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Aacceleration
Bforce
Ckinetic energy
Dmomentum

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46May / June 2020 · Paper 13 · Q3
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Adirection only
Bmagnitude and direction
Cmagnitude and unit
Dunit only

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47Feb / March 2020 · Paper 12 · Q3
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Aacceleration and momentum
Bcharge and resistance
Ckinetic energy and mass
Dtemperature and velocity

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48Oct / Nov 2019 · Paper 11 · Q3
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Adiagram A
Bdiagram B
Cdiagram C
Ddiagram D

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49Oct / Nov 2019 · Paper 12 · Q3
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Aarea, length, displacement
Bkinetic energy, speed, power
Cpotential energy, momentum, time
Dvelocity, distance, temperature

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50Oct / Nov 2019 · Paper 12 · Q12
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A[diagram A: triangle with resultant F]
B[diagram B: triangle with resultant F]
C[diagram C: triangle with resultant F]
D[diagram D: triangle with resultant F]

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51Oct / Nov 2019 · Paper 13 · Q3
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Adiagram A
Bdiagram B
Cdiagram C
Ddiagram D

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52May / June 2019 · Paper 11 · Q3
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Amagnitude of V: √(Vv² + Vh²), θ: tan⁻¹(Vh/Vv)
Bmagnitude of V: √(Vv² + Vh²), θ: tan⁻¹(Vv/Vh)
Cmagnitude of V: √(Vv² − Vh²), θ: tan⁻¹(Vh/Vv)
Dmagnitude of V: √(Vv² − Vh²), θ: tan⁻¹(Vv/Vh)

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53May / June 2019 · Paper 12 · Q4
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Ahorizontal component / N: 9.73, vertical component / N: 0.534
Bhorizontal component / N: 9.73, vertical component / N: 10.2
Chorizontal component / N: 18.0, vertical component / N: 0.534
Dhorizontal component / N: 18.0, vertical component / N: 10.2

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54May / June 2019 · Paper 13 · Q3
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A3.1 kN
B5.2 kN
C7.0 kN
D7.3 kN

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55Feb / March 2019 · Paper 12 · Q3
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A23.0° east of north
B23.0° west of north
C25.2° east of north
D25.2° west of north

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56Oct / Nov 2018 · Paper 11 · Q3
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Aeast 4.0, north 4.0
Beast 4.0, north 6.9
Ceast 4.6, north 6.9
Deast 6.9, north 4.0

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57Oct / Nov 2018 · Paper 12 · Q3
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Aacceleration, momentum, velocity, weight
Barea, current, force, work
Cdistance, kinetic energy, power, pressure
Dmass, temperature, time, speed

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58Oct / Nov 2018 · Paper 12 · Q4
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A
B
C
D

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59Oct / Nov 2018 · Paper 13 · Q3
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Aacceleration, displacement, speed
Bacceleration, work, electric field strength
Cdisplacement, force, velocity
Dpower, electric field strength, force

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60May / June 2018 · Paper 11 · Q2
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Akinetic energy and force
Bmomentum and time
Cvelocity and electric field strength
Dweight and temperature

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61May / June 2018 · Paper 11 · Q3
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A80 N
B170 N
C270 N
D320 N

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62May / June 2018 · Paper 12 · Q15
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Aarrow pointing down-left
Barrow pointing down-right
Carrow pointing up-left
Darrow pointing up-right

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63May / June 2018 · Paper 13 · Q2
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Adisplacement and acceleration
Bforce and kinetic energy
Cpower and speed
Dwork and potential energy

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64May / June 2018 · Paper 13 · Q3
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Ahorizontal component: F cosθ; vertical component: F cos (90° – θ)
Bhorizontal component: F cosθ; vertical component: F sin (90° – θ)
Chorizontal component: F sinθ; vertical component: F cosθ
Dhorizontal component: F sinθ; vertical component: F cos (90° – θ)

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65Feb / March 2018 · Paper 12 · Q3
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Atowards the north-east
Btowards the north-west
Ctowards the south-east
Dtowards the south-west

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66Oct / Nov 2017 · Paper 11 · Q2
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A5 N
B10 N
C17 N
D20 N

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67Oct / Nov 2017 · Paper 11 · Q6
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A37° east of north
B37° west of north
C53° east of north
D53° west of north

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68Oct / Nov 2017 · Paper 12 · Q2
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A3.0 km
B3.8 km
C4.0 km
D5.0 km

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69Oct / Nov 2017 · Paper 13 · Q3
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A12 N
B16 N
C20 N
D27 N

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70May / June 2017 · Paper 11 · Q2
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A27°
B30°
C45°
D60°

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71May / June 2017 · Paper 13 · Q2
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A10.0 N at an angle of 37° downwards from the direction of X
B10.0 N at an angle of 37° upwards from the direction of X
C14.0 N at an angle of 53° downwards from the direction of X
D14.0 N at an angle of 53° upwards from the direction of X

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72Feb / March 2017 · Paper 12 · Q18
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A12.9 m s⁻¹
B20.7 m s⁻¹
C25.1 m s⁻¹
D33.1 m s⁻¹

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73Oct / Nov 2016 · Paper 11 · Q3
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Avector diagram A
Bvector diagram B
Cvector diagram C
Dvector diagram D

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74Oct / Nov 2016 · Paper 12 · Q3
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Ascalar, scalar
Bscalar, vector
Cvector, scalar
Dvector, vector

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75Oct / Nov 2016 · Paper 13 · Q3
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Avector diagram A
Bvector diagram B
Cvector diagram C
Dvector diagram D

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76May / June 2016 · Paper 11 · Q1
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AR
BR
CR
DR

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77May / June 2016 · Paper 12 · Q3
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Adiagram A
Bdiagram B
Cdiagram C
Ddiagram D

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78May / June 2016 · Paper 13 · Q3
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A
B
C
D

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79May / June 2016 · Paper 13 · Q8
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A2.0 m
B2.0 m due south
C3.1 m
D3.1 m due south

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