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2.8 Forces and Newton's laws

2.8 Forces and Newton's laws

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Question 13

In this question use g=9.8g = 9.8g=9.8 m s−2^{-2}−2

A particle of mass 2 kg hangs at rest relative to a lift, attached to the ceiling of the lift by a light inextensible string.

a.

Find the tension in the string when the lift is moving upwards with constant velocity.

[2]
b.

Find the tension in the string when the lift is moving upwards and decelerating at 2 m s−2^{-2}−2.

[3]
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2.8 Forces and Newton's laws Questions

  1. A Level
  2. /Maths
  3. /2.8 Forces and Newton's laws

35 exam-style questions on WJEC A Level Maths 2.8 Forces and Newton's laws, covering 2.8.1 Forces and Newton's laws, 2.8.2 Forces and Newton's laws, 2.8.3 Forces and Newton's laws, 2.8.4 Forces and Newton's laws, 2.8.5 Forces and Newton's laws, and 2.8.6 Forces and Newton's laws. Each one has a worked solution and a mark scheme showing where the marks go.

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