Physics · May / June 2020 · Paper 61 · Question 1
0625
As printed in the paper
The question as text
A student investigates the balancing of a metre rule. Fig. 1.1 shows the arrangement. 90.0 cm mark 50.0 cm mark load x object Q 100 0 metre rule bench pivot weight P Fig. 1.1
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
1(a)[2]
0.025, 0.037, 0.050, 0.063, 0.075
Consistent significant figures
1(b)[4]
Graph:
Axes correctly labelled and right way round
Suitable scales
All plots correct to 1
2 small square
Good line judgement, thin, continuous line
1(c)[2]
(0.02)
Method shown clearly on graph
Value correct to 1
2 small square
1(d)[1]
Clear wording or diagram
1(e)(i)[1]
Difficult to obtain balance point
1(e)(ii)[1]
Idea of obtaining nearest to balance
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