C4-5

What is the unit of measurement for pressure?

• N/m²

• kg

• m/s

• N

What is the equation used to calculate pressure?

• pressure= force/mass
• pressure =mass/volume
• pressure=area/force
• pressure=force/area

Pressure decreases when the surface area increases.

• True

• False

What is force?

• A push exerted on an object
• A push or pull exerted on an object
• A pull exerted on an object
• Nothing

Which of these animals would probably cause the greatest pressure on the ground?

• A large cow with big feet

• A large cow with small feet

• A calf with big feet

• A calf with small feet

Calculate the torque produced by 75- N perpendicular force at the end of a 0.20 m long wrench.

• 15 Nm

• 1.5 Nm

• 15.0 Nm

• 16 Nm