Physics Annual Examinations For Secondary Schools Form 5 - Directorate For Quality And Standards In Education, 2012 Page 6
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12Section B:
This section has 5 questions. Each question carries 20 marks (100 marks).
8.
This question is about the relationship between mass and weight.
Mark and Nathalie set up an experiment to find the relationship between mass and weight.
a.
Describe briefly how Nathalie finds the mass of an amount of water.
________________________________________________________________________________
________________________________________________________________________________
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(4)
b.
Mark and Nathalie present the data in the table below.
m / kg
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
W / N
0
9.8
14.7
19.6
24.5
29.4
34.3
i.
Plot a graph of weight W in N (y-axis) against the mass m in kg (x-axis).
(6)
ii.
Use your graph (or otherwise) to complete the missing value in the table.
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(2)
c.
The gradient of the graph gives the acceleration due to gravity g. Find the value of g.
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(4)
d.
Use your graph to describe the relationship between mass and weight. Explain.
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________________________________________________________________________________
(2)
e.
Explain why weight is plotted on the y-axis and not on the x-axis.
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________________________________________________________________________________
(2)
Physics – Secondary Schools – Track 3 - Form 5 – 2012
Page 6 of 12
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