Forces

1

Which of these is the best way to measure a force?

2

Forces can be:

3

What is the unit of force called?

4

What can we say about the forces on an object that is not moving?

5

The arrows in this diagram represent the sizes of forces acting on a stationary tennis ball. What will happen to the tennis ball?

A tennis ball, with two balanced forces on the left and right, a smaller force upwards and a larger force downwards

6

What happens to the air resistance on a car as the car goes faster?

7

A force of 4 N acts on a lever 2 m from the pivot. What is the moment?

8

One way to increase the turning force on a spanner is to:

9

Gravity is an example of what?

10

What store of energy does friction always produce?