Forces and changing shape - Eduqas

1

How might the shape of an object change if forces act away from each other in a straight line?

2

Which word describes an object that will return to its original shape when forces are removed?

3

What is another name for the limit of proportionality?

4

What is the unit for the spring constant?

5

What is the name for energy stored by a stretched spring?

6

Which equation gives the energy stored by a stretched spring?

7

A spring has a spring constant of 120 N/m. It is stretched from 30 cm to 50 cm. What would the elastic potential energy stored by the spring be?

8

A spring extends elastically by 10 cm when a force of 20 N is applied to it. What force would be needed to extend the spring by 5 cm?

9

How is work done calculated?

10

How much work is done when a ball is moved 1.5 m by a force of 12 N?