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1.5 Forces

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Question 8

Which statement about the moment of a force is not correct?

A

The standard SI unit of the moment of a force is the newton-metre (N m\text{N m}N m).

B

For a body in equilibrium, the sum of clockwise moments about any pivot must equal the sum of anticlockwise moments about that pivot.

C

The moment of a force is a measure of the turning effect of the force on an object.

D

The moment of a force about a pivot is calculated by multiplying the force by the parallel distance from the pivot to the line of action of the force.

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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