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ZIMSEC O-Level Additional Mathematics

6.3.2.3Friction

Friction in ZIMSEC O-Level Additional Mathematics: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic21 practice questions1 lesson

Learning objectives

What the syllabus expects you to be able to do.

  1. 6.3.2.3.1Form 4: represent the contact force between two surfaces by a normal force and a frictional force and solve problems involving friction.

Lessons

  • Friction and the coefficient of friction

    45 min

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Sample question

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

Friction: sample question

1 mark

A 12 kg box rests on a rough horizontal floor. The coefficient of friction is 0.35. Take g = 9.8 m/s². Find the greatest frictional force the floor can exert, correct to 3 significant figures.

Answer in N.

Turn Friction into a strength.

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