We think you are located in South Africa. Is this correct?

Introduction

Do you need more Practice?

Siyavula Practice gives you access to unlimited questions with answers that help you learn. Practise anywhere, anytime, and on any device!

Sign up to practise now

Chapter 22: Mechanical energy

22.1 Introduction (ESAHJ)

All objects have energy. The word energy comes from the Greek word energeia (ένέργεια), meaning activity or operation. Energy is closely linked to mass and cannot be created or destroyed. In this chapter we will consider gravitational potential and kinetic energy.