Edexcel iGCSE digital textbooks
From the makers of Grade Gorilla.

Edexcel iGCSE Physics book cover  Edexcel iGCSE Physics book cover
1. Work done is measured in

  • A) joules
  • B) watts
  • C) coulombs
  • D) newtons

2. Which of these is NOT a store of energy?

  • A) chemical
  • B) gravitational
  • C) friction
  • D) kinetic

3-8. Choose the correct energy store in the following sentences:

A bow and arrow transfers
energy into useful energy.
A car petrol engine transfers
energy into useful energy.
A falling ball transfers energy
into energy.


A motor on a train converts 60 000J of electrical energy into 45 000J of kinetic energy as the train accelerates.


9. How efficient is the motor?
10. If it converts this energy in 15 seconds, what is the useful power output?

11. What is the formula for work done?

  • A) Work done = force x distance
  • B) Work done = force ÷ distance
  • C) Work done = mass x acceleration
  • D) Work done = mass ÷ acceleration

12. A tractor pulls a plough 2km across a field using a force of 8kN. What is the work done?