G4.5.4 -2 Multiple forces

More than one.

• thrust

• multiple

• air resistance

A force which pushes something upwards against gravity or sideways against friction(thrust is often provided by an engine).

• multiple

• thrust

• air

  resistance

A force that slows things down that are moving through air.

• air

  resistance

• thrust

• multiple

Look at the picture of Marcus riding the bicycle.

1.What is the force that pulls Marcus and

the bicycle towards the centre of the

Earth?

Look at the picture of Marcus riding the bicycle.

2. Which are the two forces that pulls him back?

...............................is pulling Marcus and the bicycle towards the centre of the Earth.

...................... between the tyres and the road is pulling him back.

To overcome the air resistance and friction Marcus must push on the pedals to push the bicycle forwards. This is

List four forces involved when you ride a bicycle.

2. Which force is a force applied when you cycle?