Physics 606 Module Test

Define simple machines.

• Devices or tools which help to make work easier and faster to perform.

• A rigid rod pivoted on a fixed support called fulcrum.

• A simple machine consisting of a wheel with a grooved rim in which a rope or a chain can run.

There are 6 types of simple machines. Which ONE has a fulcrum?

• inclined plane

• wedge

• wheel and axle

• lever

There are 6 types of simple machines. Which ONE helps to lift objects to a higher location?

• lever

• inclined plane

• screw

• pulley

Which lever class is this?

• Class 1 lever

• Class 2 lever

• Class 3 lever

There are 6 types of simple machines. Which ONE is present in a sharp knife?

• pulley

• wheel and axle

• wedge

• screw

What kind of pulley is this?

• fixed pulley

• movable pulley

There are 6 types of simple machines. Which ONE has a wheel connected to a pole.

• wheel and axle

• pulley

• lever

• screw

Which lever class is this?

• class 1 lever

• class 2 lever

• class 3 lever

There are 6 types of simple machines. Which ONE consists of a wheel and a rope?

• Wheel and axle

• wedge

• screw

• pulley

What kind of pulley is this?

• fixed pulley

• movable pulley