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4.9 Forces and Newton's laws (A-level only)

4.9 Forces and Newton's laws (A-level only)

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Question 19

A small ball B B\,B is suspended from a fixed hook by a light inextensible string.

A horizontal wind force of magnitude 15 N acts on the ball. The ball hangs in equilibrium with the string taut and making an angle of 30° 30°\,30° with the vertical.

a.

Find the tension in the string.

[2]
b.

Find the weight of BBB.

[3]
Markscheme

4.9 Forces and Newton's laws (A-level only) Questions

  1. A Level
  2. /Maths
  3. /4.9 Forces and Newton's laws (A-level only)

106 exam-style questions on WJEC A Level Maths 4.9 Forces and Newton's laws (A-level only), covering 4.9.1 Forces and Newton's laws (A-level only), 4.9.2 Forces and Newton's laws (A-level only), 4.9.3 Forces and Newton's laws (A-level only), 4.9.4 Forces and Newton's laws (A-level only), and 4.9.5 Forces and Newton's laws (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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