GCSE COMBINED SCIENCE: TRILOGY Higher Tier Physics Paper 2H

shows five different metal samples.
Figure 1
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A student placed a magnet close to each metal sample.
Describe what happened.
[2 marks]
Figure 2 shows a paper clip being attracted to a permanent magnet.
Figure 2
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The paper clip in Figure 2 is not a permanent magnet.
Explain what would happen if the paper clip was removed and brought close to the south pole of the permanent magnet.
[2 marks]
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Write down the equation that links gravitational field strength (g), mass (m) and
weight (W).
[1 mark]
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The student added more paperclips to one end of the magnet.
The maximum number of paperclips the magnet could hold was 20
Each paper clip had a mass of 1.0 g
gravitational field strength = 9.8 N/kg
Calculate the maximum force the magnet can exert.
[3 marks]
Force =
N
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A student investigated how the height of a ramp affects the acceleration of a trolley down the ramp.
Figure 3 shows some of the equipment used.
Figure 3
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Plan an investigation to determine how the height of the ramp affects the acceleration of the trolley.