Pressure in a solid

If a force of 10N acts over an area of 5m2 what is the pressure?

(just write the value, do not add the unit, Pa)

If a pressure of 5Nm-2 acts on an area of 4m2 what force is exerted? (Just write the value, not not add the units, N)

Which exerts more pressure, a man wearing boots or snowshoes?

• Boots

• Snowshoes

A box weighs 100N and exerts a pressure of 50Nm-2. What is its area?

• 4m2

• 10m2

• 2m2

• 20m2

A 20,000N elephant and each of it's four feet have an area of 0.05m2. What pressure does it exert on the ground?

(just write the value, do not add the units, pa)

A ladder might help you to rescue someone from an icy pond as increasing the contact area _________the pressure.

• Increases

• Decreases

You can lie on a bed of nails as there are a ________ number of nails so the force is spread over a large contact area.

• large

• small

It hurts to carry a heavy parcel by it's string because the force is spread over a ______ contact area.

• large

• small

Would you rather be walked over by group of people wearing high heels or a herd of elephants?

• people wearing high heels

• herd of elephants

An office safe has a weight of 500N. If the area of the base is 1.25m2, what is the pressure on the floor? (Just write the answer, do not add the units, Pa)