Year 5 - Forces

What is Friction?

What causes friction between two surfaces?

A block moves along each of these surfaces. Choose the surface that will cause the most friction.

• ice

• gravel

• carpet

• glass

What is the difference between a contact force and a non-contact force?

Give an example of a contact force.

Give an example of a non-contact force.

Here is a skydiver.

The skydiver opens the parachute when falling through the air.

What is force A acting on the parachute?

Here is a skydiver.

The skydiver opens the parachute when falling through the air.

What is force B acting on the parachute?

Does air resistance act only on objects falling through the air?

• Yes

• No

For Question #5 = Explain your thinking