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1.5 Forces

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Question 72

Which situation is not explained by the equation for the moment of a force, M=F×dM = F \times dM=F×d?

A

using long-handled pruning shears to cut tough branches

B

wearing snowshoes to walk on soft snow without sinking

C

pushing a heavy door near the outer edge far from its line of hinges

D

using a crowbar to lift a heavy stone with less effort

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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