Front

A wheelbarrow is an example of: First Class Lever, Second Class Lever, Third Class Lever, Fourth Class Lever

Back

Second Class Lever

Front

In a first class lever, the _____ is in the middle.

Back

Fulcrum

Front

In a second class lever, the ______ is in the middle.

Back

Load

Front

In third class levers, the ______ is in the middle.

Back

Effort

Front

Which is not a simple machine?

Pulley

,

Screw

,

Wedge

,

Spring

Back

Spring

Front

What type of simple machine is found on the cap of a jar?

Back

Screw

Front

Which of these is an example of a wedge?

Knife

,

Stairs

,

Skateboard

,

Broom

Back

Knife

Front

What simple machine has a fulcrum and can be used to lift a weight?

Back

Lever

Front

This device: wedge, lever, incline plane, wheel and axle

Back

wedge

Front

Name this simple machine: Lever, Wedge, Pulley, Inclined Plane

Back

Pulley