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3.3 R: Forces and Newton's laws

3.3 R: Forces and Newton's laws

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Question 40

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

A particle P P\,P of mass 10 kg is held in equilibrium by two light inextensible strings, A A\,A and BBB, attached to two fixed points.

String A A\,A makes an angle of 50° 50°\,50° with the horizontal and string B B\,B makes an angle of 35° 35°\,35° with the horizontal, on the opposite side of the vertical through PPP, as shown in the diagram.

Figure for question 8

a.

Find the tension in string AAA.

[4]
b.

Find the tension in string BBB.

[2]
Markscheme

3.3 R: Forces and Newton's laws Questions

  1. A Level
  2. /Maths
  3. /3.3 R: Forces and Newton's laws

139 exam-style questions on AQA A Level Maths 3.3 R: Forces and Newton's laws, covering 3.3.1 Concept of a force and Newton's first law, 3.3.2 Newton's second law, 3.3.3 Weight and motion under gravity, 3.3.4 Newton's third law and equilibrium, 3.3.5 Addition of forces and resultants (A-level only), and 3.3.6 Friction (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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