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1.5 Forces

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Question 153

A car is travelling in a straight line along a horizontal road at a constant speed. A constant driving force D D\,D acts on the car in the forward direction. Which statement about the magnitude of the total resistive force (friction and air resistance) acting on the car is correct?

A

The magnitude is equal to DDD.

B

The magnitude is smaller than DDD, but greater than zero.

C

The magnitude is greater than DDD.

D

The magnitude is zero.

Markscheme

1.5 Forces Questions

  1. IGCSE
  2. /Physics
  3. /1.5 Forces

245 exam-style questions on CIE IGCSE Physics 1.5 Forces, covering 1.5.1a Forces, resultant force and motion, 1.5.1b Load–extension graphs and the spring constant, 1.5.1c Friction and drag, 1.5.1d Force, mass and acceleration, 1.5.1e Motion in a circular path, 1.5.2a Moment of a force, 1.5.2b Principle of moments and equilibrium, and 1.5.3 Centre of gravity and stability. Each one has a worked solution and a mark scheme showing where the marks go.

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