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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 6

A car of mass 1200 kg tows a trailer of mass 400 kg along a straight horizontal road, using a light rigid tow-bar.

The engine of the car provides a constant driving force of 3000 N. A constant resistance of 500 N acts on the car and a constant resistance of 300 N acts on the trailer.

a.

Find the acceleration of the car and trailer.

[3]
b.

Find the tension in the tow-bar.

[2]
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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