Cambridge IGCSE Combined Science practice

Paper 4 structured question: Energy, work and power

Try the question first, then check the answer and practise the same topic again.

At a glance

Paper

Marks

Topic

Energy, work and power

Exam-style question

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Paper 4Theory (Extended)2 marks

A 4 kg object is lifted to a height of 10 m.

Description

Calculate the change in gravitational potential energy of the object when it is lifted.

a
Calculate the change in gravitational potential energy of the object.
Your answer
Aim for approximately 2 distinct marking points.
[2]

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Paper 4Theory (Extended)2 marks

Description

Discuss the change in gravitational potential energy as the object falls.

a
Discuss the change in gravitational potential energy as the object falls from 15 m to the ground.
Your answer
Aim for approximately 2 distinct marking points.
[2]