Forces, stopping and braking

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Question 16
Easy

A group of students investigated the effect of background noise on reaction time using a ruler-drop test.

Diagram showing Student X holding a vertical 30 cm ruler from the top end, which is suspended between the outstretched thumb and forefinger of Student Y at the 0 cm mark. Student X is preparing to drop the ruler, and Student Y is preparing to catch it.

Give one reason why two people are needed to carry out this investigation.

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Forces, stopping and braking Questions

  1. GCSE
  2. /Physics
  3. /Forces, stopping and braking