KS3 Pressure

The units of force are

• Newtons

• Kilograms

• N/m²

Pressure is equal to force divided by what

• area

• mass

• time

Army tank tracks are useful for travelling through the mud because..

• they decrease the force the vehicle exerts on the ground

• they increase the force the vehicle exerts on the ground

• they decrease the pressure the vehicle exerts on the ground

Where would you find the largest pressure?

• Under a snowshoe

• At the tip of a pin

The units of pressure are

• N

• N/m²

• m²

Why does a knife exert a large pressure on a tomato?

• Because it has a large area

• Because it has a small area

Would you rather stand on one nail or 100 nails?

• 1

• 100

Pressure =

• me, now I am in Y8

• force x area

• force / area

How do you increase pressure?

• Make the area bigger

• Make the area smaller

• Make the force smaller

How do you decrease pressure?

• Make the area bigger

• Make the area smaller