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1.5 Forces

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Question 176

A mechanic sets a torque wrench to produce a moment of 72 N m. The torque wrench has a length from the centre of the bolt to the handle of 400 mm. What is the smallest force the mechanic needs to apply to tighten the bolt correctly?

A

0.18 N0.18\text{ N}0.18 N

B

29 N29\text{ N}29 N

C

180 N180\text{ N}180 N

D

18 kN18\text{ kN}18 kN

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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