Physics · Oct / Nov 2020 · Paper 22 · Question 2
5054
As printed in the paper
The question as text
The total mass of a wheelbarrow and its load is 90 kg. A worker pushes the wheelbarrow and load up a plank of length 2.0 m on to a platform, as shown in Fig. 2.1. The platform is at a height of 0.60 m above the ground. 0.60 m platform load 290 N 2.0 m Fig. 2.1 The worker exerts a force of 290 N on the wheelbarrow in the direction in which the wheelbarrow moves.
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
2(a)(i)[2]
2(a)(ii)[2]
2(a)(iii)[1]
friction (between wheel and axle) or friction (between tyre / wheel and plank) or (work done against) friction
2(b)(i)[1]
2(b)(ii)[1]
Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.