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2.3 Forces and Newton's laws

2.3 Forces and Newton's laws

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Question 11

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

2.3 Forces and Newton's laws Questions

  1. A Level
  2. /Maths
  3. /2.3 Forces and Newton's laws

136 exam-style questions on CCEA A Level Maths 2.3 Forces and Newton's laws, covering 2.3.1 Forces and Newton's laws, 2.3.2 Forces and Newton's laws, 2.3.3 Forces and Newton's laws, 2.3.4 Forces and Newton's laws, 2.3.5 Forces and Newton's laws, 2.3.6 Forces and Newton's laws, 2.3.7 Forces and Newton's laws, 2.3.8 Forces and Newton's laws, 2.3.9 Forces and Newton's laws, 2.3.10 Forces and Newton's laws, 2.3.11 Forces and Newton's laws, 2.3.12 Forces and Newton's laws, and 2.3 Forces and Newton's laws. Each one has a worked solution and a mark scheme showing where the marks go.

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