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Cambridge IGCSE Physics practice

Paper 4 structured question: Mass and weight

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Mass and weight

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Paper 4Theory (Extended)3 marks

Comparing weights in different gravitational fields.

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Weight Calculation

An astronaut has a mass of 80 kg. Calculate the weight of the astronaut on Earth and on the Moon, where the gravitational field strength is 1.62 N/kg.

  1. a

    Describe how the weight of the astronaut differs on Earth and the Moon.

    Aim for approximately 3 distinct marking points.

    [3]

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Paper 4 structured question: Mass and weight

Paper 4Theory (Extended)1 marks

Description

Weight on Different Planets

An object has a mass of 20 kg. Calculate its weight on Earth and on Mars, where the gravitational field strength is approximately 3.71 N/kg.

  1. a

    State the formula used to calculate weight.

    Aim for approximately 1 distinct marking point.

    [1]