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1.5 Forces

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Question 16

Which of the following statements about forces and motion is correct?

A

If an object is stationary, there are no forces acting on it.

B

If an object is decelerating, the resultant force acting on it is in the direction of its motion.

C

If an object is moving in a straight line at a steady speed, the resultant force acting on it must be zero.

D

If a constant non-zero resultant force acts on a moving object, its speed must remain constant.

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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