Simple Machines

Front

What is a simple machine?

Back

A simple machine is a device that changes the direction or magnitude of a force, making work easier.

Front

What are the six types of simple machines?

Back

The six types of simple machines are lever, wheel and axle, pulley, inclined plane, wedge, and screw.

Front

What is a lever?

Back

A lever is a rigid bar that rotates around a fixed point called the fulcrum.

Front

What is a pulley?

Back

A pulley is a wheel on an axle or shaft designed to support movement and change the direction of force.

Front

What is an inclined plane?

Back

An inclined plane is a flat surface tilted at an angle to help raise or lower objects.

Front

What is a wedge?

Back

A wedge is a device that tapers to a thin edge, used to separate or hold objects apart.

Front

What is a wheel and axle?

Back

A wheel and axle is a simple machine consisting of a larger wheel attached to a smaller axle, allowing for easier movement.

Front

What is the fulcrum in a lever?

Back

The fulcrum is the fixed point around which a lever pivots.

Front

What is effort force?

Back

Effort force is the force applied to a simple machine to perform work.

Front

What is resistance force?

Back

Resistance force is the force that must be overcome by the effort force to move an object.