Work and energy test questions - WJEC

1

How do we calculate work done?

2

What are the units for work done?

3

What would the work done be when a 1 kilogram book is carried up a flight of stairs 15 metres tall?

4

What is work done a measure of?

5

How do we calculate gravitational potential energy on Earth?

6

How do we calculate kinetic energy?

7

Which of these increases the kinetic energy of a car the most?

8

What amount of gravitational potential energy would be gained when a 1 kilogram book is carried up a flight of stairs 15 metres tall?

9

When an elastic object is stretched, the increased length is called its extension. What is the relationship between the extension of the object and the force applied to it?

10

As well as seat belts, what other car features absorb kinetic energy?