Year 7 Forces and Simple Machines RevisionTest

Front

Best way to measure a force?

Back

Using a spring balance.

Front

Forces can be:

Back

Pushes, Pulls, Twists

Front

What is the unit used to measure force?

Back

Newtons (N)

Front

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

Back

The forces must be balanced.

Front

Why is it more slippery walking on ice than on a footpath?

Back

There is less friction between the ice and your shoes.

Front

What is the amount of matter in an object called?

Back

mass

Front

Which of these is an example of a wedge? skateboard, stairs, broom, knife

Back

knife

Front

Which of the following is NOT a contact force? Friction, Tension, Gravity, Air resistance

Back

Gravity

Front

Order of a second class lever

Back

Fulcrum, Load, Force

Front

Why does an astronaut weigh less on the Moon than on the Earth?

Back

The force of gravity is weaker on the surface of the Moon than the Earth.