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Cambridge IGCSE Combined Science practice

Paper 3 structured question: Mass and weight

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Mass and weight

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Paper 3Theory (Core)2 marks

Calculating weight using gravitational field strength.

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Weight Calculation

An object has a mass of 10 kg. Calculate its weight near the Earth's surface using the gravitational field strength of 9.8 N/kg.

  1. a

    Calculate the weight of the object.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 3 structured question: Mass and weight

Paper 3Theory (Core)1 marks

Description

Gravitational Field Strength

Gravitational field strength (g) is defined as the force of gravity acting on a unit mass. Near the Earth's surface, g is approximately 9.8 N/kg. The weight of an object can be calculated using the equation W = mg.

  1. a

    Define gravitational field strength.

    Aim for approximately 1 distinct marking point.

    [1]