Forces and elasticity - Edexcel

1

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

2

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

3

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

4

Which word describes an object that will not return to its original shape when forces are removed?

5

What is another name for the limit of proportionality?

6

What is the unit for the spring constant?

7

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

8

Which equation gives the energy stored by a stretched spring?

9

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?

10

A spring extends elastically by 0.1 m when a force of 2 N is applied. What is the value of its spring constant?