P5 CT-Forces-

In parts of the world where there is heavy snow, some drivers put snow chains on their car wheels.

What is the main reason drivers use snow chains?

• to make the car look nice

• to slide down hills

• to grip the road better

• to drive carefully

Which force will snow chains affect and how will they affect it?

• They increase water resistance.

• They decrease air resistance.

• They decrease weight.

• They increase friction.

The diagram shows a moving object. The arrows show the forces acting on it. In which direction is the object moving?

• 
• 
• 
• 

Which of these is measured in newtons?

• speed

• temperature

• volume

• weight

The boy is sliding down the snowy hill on a sled.

What is the name of the force that causes the boy to move to the bottom of the hill?

• friction

• gravity

• rotation

• water resistance

Which arrow shows the force of weight?

• A

• B

• C

• D

This fishing boat has a motor at the back.

In which direction is the force from the motor?

• 
• 
• 
• 

In which direction is the water resistance force?

• 
• 
• 
• 

The shape of the boat allows it to go through the water easily. Write one word to complete the sentence below.

The boat has a .....................shape.

What effect does water resistance have on the boat?