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ZIMSEC A-Level Mechanics

6.8Elasticity

Elasticity in ZIMSEC A-Level Mechanics: what the syllabus expects you to know, the learning objectives and how to practise.
Topic21 practice questions1 lesson

Overview

Form 6.

Learning objectives

What the syllabus expects you to be able to do.

  1. 6.8.1Form 6: define elasticity in strings and springs, explain Hooke's law and calculate the modulus of elasticity.
  2. 6.8.2Form 6: solve problems on forces due to elastic strings or springs, including problems needing work and energy.

Lessons

  • Elastic strings and springs: Hooke's law and elastic energy

    50 min

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Sample question

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

Elasticity: sample question

1 mark

A light elastic string of natural length 1.51.5 m and modulus 3636 N is stretched to a length of 1.91.9 m. Find the tension in the string.

Answer in N.

Turn Elasticity into a strength.

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