Mechanical Principles Quiz

What is a lever?

• A type of inclined plane

• A pulley system used to lift heavy objects

• A wheel that rotates around an axle

• A rigid bar that is acted on by a load and an effort and supported at a pivot point called a fulcrum

Which of the following is NOT a part of a lever?

• Axle

• Output force

• Fulcrum

• Input force

How many orders of levers are there?

• Five

• Three

• Four

• Two

What is the point at which the lever rotates called?

• Fulcrum

• Effort

• Load

• Pivot

Which of the following is a simple machine in the lever’s family?

• Inclined plane

• Screw

• Pulley

• Wedge