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1.5 Forces

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Question 22

Which statement about the forces acting on a moving object is correct?

A

If the object is decelerating, the resultant force on it must act in the direction of motion.

B

If the object is moving at a constant velocity, the resultant force on it must be zero.

C

If the object is moving, there must always be a non-zero resultant force acting on it.

D

If the resultant force on the object is zero, the object must be stationary.

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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