Work & Simple Machines

Front

What is a compound (complex) machine?

Back

A device that has two or more simple machines working together.

Front

What is a lever?

Back

A simple machine that consists of a rigid bar that pivots about a fixed point called the fulcrum.

Front

What is an inclined plane?

Back

A flat surface that is tilted at an angle to help raise or lower objects, like stairs.

Front

What is a pulley?

Back

A simple machine that uses a wheel and a rope to lift or lower objects, such as raising a flag.

Front

What is a screw?

Back

A simple machine that consists of a spiral inclined plane, often used to hold objects together or lift materials.

Front

What is a fulcrum?

Back

The fixed point around which a lever pivots.

Front

What is a wheel and axle?

Back

A simple machine consisting of a larger wheel attached to a smaller axle, used to move or lift loads.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Front

What is a wedge?

Back

A simple machine that is a triangular-shaped tool used to split or cut objects apart.

Front

How does a lever work?

Back

A lever amplifies an input force to lift a load, depending on the distance from the fulcrum.

Front

What is mechanical advantage?

Back

The ratio of the output force to the input force in a machine, indicating how much a machine multiplies force.