Energy changes in a system - Eduqas

1

What is the name of the energy stored by a moving object?

2

Where might elastic potential energy be stored?

3

What is the main energy transfer for an apple falling from a tree?

4

What is the main energy transfer for a long distance runner?

5

What is the gravitational potential energy stored in a 60 kg child sitting at the top of a 2 m high slide? (g = 10 N/kg)

6

The spring constant of a spring is 25 N/m. It is extended by 50 cm. How much elastic potential energy is stored?

7

A 4 kg ball has 50 J of kinetic energy. How fast is it moving?

8

Which is a correct example of work being done?

9

How much work is done by a 10 N force pushing a box 4 m across the floor?

10

Which of the following is a definition of power?