Forces

What can change a force?

• The speed of an object's movement

• The direction of an object's movement

• The shape of an object

• All of these things

In a game of tug of war, which kind of force is being used?

• Pull

• Push

• Neither push nor pull

• Both push and pull

To make something move, the force used must be stronger than the objects....

• Inertia

• Movement

• Mass

• Force

Which word completes this sentence? The more mass something has, the ______ inertia is has.

• less

• more

• none

• same

Which of these will need more force to be make it move?

• A car

• A bicycle

• A bus

• A motorbike

What is momentum?

• The force that keeps things moving.

• The force that prevents/stops things from moving.

• The force that slows things down.

• The force that stops things moving.

What effect does friction have?

• It speeds things up.

• It keeps things at the same speed.

• It does nothing.

• It slows things down.

Friction happens when two surfaces....

• rub against each other

• avoid each other

• are next to each other

• touch each other

Which surface would create more friction to slow down a rolling ball?

• Grass

• Wooden floors

• Concrete

• Tiles

Who said, 'May the Force be with you.'

• Obi-Wan Kenobi

• Bart Simpson

• Iron Man

• Mortique and Rigby