Types of Simple Machines

Front

What is a simple machine consisting of a bar that pivots at a fixed point called?

Back

Lever

Front

What is an inclined plane that is wrapped in a spiral?

Back

Screw

Front

What is a simple machine consisting of two circular objects of different sizes?

Back

Wheel and axle

Front

What is a simple machine that is a straight, slanted surface?

Back

Inclined plane

Front

What is a simple machine consisting of a grooved wheel that holds a rope or cable?

Back

Pulley

Front

What is the purpose of a lever in simple machines?

Back

To amplify force or change the direction of force.

Front

What is the mechanical advantage of an inclined plane?

Back

It allows a load to be lifted with less effort over a longer distance.

Front

How does a pulley work?

Back

It changes the direction of the force applied to lift a load.

Front

What is the function of a wedge in simple machines?

Back

To separate or cut objects by applying force.

Front

What is the relationship between the radius of a wheel and the axle in a wheel and axle system?

Back

The larger the wheel, the less force is needed to move the load.