Learning objective

Recognize that the work done in mechanical or electrical processes is equivalent to the energy that is transferred.

Read the explanation, check the common trap, then practise with flashcards and questions.

Practise this topic Read the exam answer Topic hub

Exam focus

Read the explanation.
Check key terms.
Practise with linked questions.

Cambridge IGCSE Combined ScienceMotion, forces and energyCore content

Study support

Understand this objective

Quick explanation

Recognize that the work done in mechanical or electrical processes is equivalent to the energy that is transferred

This point belongs to Energy, work and power, especially Energy, work and power outcomes.
You need to be able to recognize that the work done in mechanical or electrical processes is equivalent to the energy that is transferred.
The key ideas to know are Explain and Discuss.
Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

ExplainDiscuss

Why it matters

This objective helps connect Energy, work and power outcomes to exam-style questions, flashcards, and revision notes for Energy, work and power.

Revision tools

Choose how to practise

Back to topic hub

Flashcards10 linked cards

Flashcard 1 of 10

Press Space to flip, arrows to move

Practice Questions7 linked questions

Question 1 of 7

Choose an answer, get feedback, then move sideways through the set.

0 of 5 attempted

Paper 3 structured question: Energy, work and power

Paper 3Theory (Core)3 marks

Description

Work and Energy

In a mechanical system, when a force is applied to move an object, work is done. This work results in a transfer of energy to the object, which can be observed as a change in its kinetic energy.

a
Explain the relationship between work done and energy transferred in mechanical processes.
Your answer
Aim for approximately 3 distinct marking points.
[3]

Revision notestopic notes

Open the full topic revision notes when you are ready to review this objective in context.

Open revision notes

Related learning objectives

Identify the various forms in which energy can be stored, including kinetic, gravitational potential, chemical, elastic (strain), nuclear, electrostatic, and internal (thermal) energy.
Energy, work and power outcomes
Explain how energy is transferred between different stores during various events and processes, providing examples such as mechanical work, electrical work, heating, and energy transfer through waves.
Energy, work and power outcomes
Understand and apply the principle of conservation of energy to simple scenarios, including the ability to interpret basic flow diagrams.
Energy, work and power outcomes
Recall and apply the formula for calculating kinetic energy, represented as E_k = 1/2 mv^2.
Energy, work and power outcomes
Recall and apply the formula for the change in gravitational potential energy, expressed as ΔE_p = mgΔh.
Energy, work and power outcomes

Revision hubs

Move back to a broader study route

Cambridge IGCSE Combined Science resources