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1.5 Forces

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Question 77

In which of the following situations is the resultant force acting on the object equal to zero?

A

a spacecraft curving around a planet at a constant speed

B

a parachuter falling vertically downwards at a constant terminal velocity

C

a passenger train slowing down as it approaches a station

D

a cyclist accelerating from rest along a straight path

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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