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2 Unit 2: Applied Mathematics A

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Question 70

A car of mass 1200 kg tows a trailer of mass 300 kg along a straight horizontal road.

The car and the trailer are connected by a light rigid towbar which is parallel to the road.

The engine of the car produces a constant driving force of 3000 N. The resistance to the motion of the car is 600 N and the resistance to the motion of the trailer is 150 N.

a.

Find the acceleration of the car and trailer.

[3]
b.

Find the tension in the towbar.

[2]
c.

State one consequence of modelling the towbar as light and rigid.

[1]
Markscheme

2 Unit 2: Applied Mathematics A Questions

  1. A Level
  2. /Maths
  3. /2 Unit 2: Applied Mathematics A

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