Work, Power & Simple Machines

Front

What is a pulley?

Back

A pulley is a simple machine consisting of a rope wrapped around a wheel and axle, used to lift or lower loads.

Front

What simple machine is a crowbar an example of?

Back

A crowbar is an example of a lever.

Front

How do you calculate Mechanical Advantage (MA) in a pulley system?

Back

Mechanical Advantage (MA) is calculated by dividing the load force by the effort force.

Front

What is the Mechanical Advantage if 9 Newtons of force lifts a 27 Newton weight?

Back

The Mechanical Advantage is 3.

Front

What is a wedge?

Back

A wedge is a simple machine that is a triangular-shaped tool used to separate objects or hold them together.

Front

What is an inclined plane?

Back

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

Front

Give an example of an inclined plane.

Back

Stairs are an example of an inclined plane.

Front

What is the function of a lever?

Back

A lever is a simple machine that helps lift or move loads with less effort.

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 purpose of a screw?

Back

A screw is a simple machine that converts rotational motion into linear motion, often used to hold objects together.