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1.5 Forces

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Question 45

Which moving object has a non-zero resultant force acting on it?

A

An elevator ascending vertically at a constant speed

B

A racecar traveling around a circular track at a constant speed

C

A submarine cruising horizontally in a straight line at a constant speed

D

A skydiver falling vertically at terminal velocity

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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