Forces Y5

Why do unsupported objects fall to the ground?

• Because they are heavy

• Because gravity pulls towards the centre of the Earth

• Because they are light

Friction between surfaces creates...

Lots of friction creates much resistance, so surfaces move against each other...

A small force can be made greater using these tools:

• Nothing can change a force

• Levers and pullies

Why is taking repeat readings a good thing?

How does air resistance help a person parachute safely to the ground?

Forces can...

• push

• make energy

• do stuff

• pull

What are newtons?

• A measurement of force

• New places to live

• A famous scientist