GCSE Physics Forces 5 – Exam Style Questions with Answers

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Created on By natsundaris

GCSE_GEN_PHY_5_FORCE_5

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Figure 1 shows a boy sitting on the see-saw. His weight is 400 N.

Calculate the anticlockwise moment of the boy in Nm.

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A moment is the __________________ effect of a force.

 

3 / 15

Point P is the axis of _________________ of the see-saw

4 / 15

Figure 3 shows a simple diagram of a car jack.

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The weight of the device causes an anticlockwise moment of 0.15 Nm about the pivot.

The weight of the rice and basket acts 0.06 m from the pivot.Calculate the weight of the rice and basket.

 

6 / 15

Figure 1 shows a girl trying to lift a large rock using a long rod as a lever.The girl is pushing down on the rod but is just unable to lift the rock.

Which of the following changes would allow her to lift the rock?

7 / 15

The basket can hang from different points on the device.

Where should the basket hang to measure the largest quantity of rice?

8 / 15

The weight of the device acts through the point labelled X.What is point X called?

9 / 15

Two children visit a playground.The diagram shows them on a see-saw. The see-saw is balanced.Complete the following sentences by the correct word.

The Turning effect of the girl's weight is called her

10 / 15

Figure 1 shows a girl standing on a diving board.

Calculate the moment of the girl’s weight about Point A

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A student holds a ruler at one end and slides a weight along the ruler.

At which point, A, B or C, will the turning effect of the weight feel greatest?

 

12 / 15

Use the following equation to calculate the moment of child B about the pivot of the see-saw.

moment of a force = force × distance

Give your answer in newton-metres

13 / 15

Which object is not likely to rotate

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When the moment caused by the weight of the camera increases, the moment

caused by the counterweight ____________________ .

 

15 / 15

To make end A of the see-saw go up

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