Forces and springs

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Question 4
Medium

Figure 1 shows a plunger mechanism from a toy pinball machine.

The plunger contains a spring that is compressed before launching a ball.

The spring constant of this spring is 240 N/m.

Figure 1: A schematic diagram of a toy pinball plunger. The diagram shows the spring in its relaxed state and then in its compressed state when pulled back. A label and dimension line indicate that the spring is compressed by a distance of 35 mm.

Calculate the force needed to compress the spring by the amount shown in Figure 1.

Give your answer to an appropriate number of significant figures.

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Forces and springs Questions

  1. GCSE
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