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ZIMSEC O-Level Combined Science

7.3.3.2Moments

Moments in ZIMSEC O-Level Combined Science: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic13 practice questions1 lesson

Overview

Form 2.

Learning objectives

What the syllabus expects you to be able to do.

  1. 7.3.3.2.1Define and calculate the moment of a force.
  2. 7.3.3.2.2State the principle of moments and apply it in simple calculations.

Lessons

  • Moments and the principle of moments

    30 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Moments: sample question

1 mark

A force of 45 N45\ \text{N} is applied at right angles to a door, 0.80 m0.80\ \text{m} from its hinges. Calculate the moment about the hinges.

Answer in N m.

Turn Moments into a strength.

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