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

Introduction

Practise now to improve your marks

You can do it! Let us help you to study smarter to achieve your goals. Siyavula Practice guides you at your own pace when you do questions online.

Sign up to improve your marks

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.