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ZIMSEC A-Level Physics

2.6Gravitational Field

Gravitational Field in ZIMSEC A-Level Physics: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic68 practice questions3 lessons

Overview

Form 5.

Learning objectives

What the syllabus expects you to be able to do.

  1. 2.6.1Understand and apply: gravitational field and field strength.
  2. 2.6.2Understand and apply: Newton's law of gravitation, orbits and geostationary satellites.
  3. 2.6.3Understand and apply: gravitational potential and potential energy.

Lessons

  • Gravitational fields and field strength

    40 min

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  • Gravitational potential and potential energy

    45 min

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  • Newton's law of gravitation and circular orbits

    45 min

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Sample question

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

Gravitational Field: sample question

1 mark

A satellite is moved from a distance 2R to a distance 4R from the centre of a planet of radius R. By what factor does the gravitational field strength at the satellite change?

Choose one answer

Turn Gravitational Field into a strength.

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