Work and Simple Machines Review

Front

What is a simple machine?

Back

A device that makes work easier by allowing us to push or pull over increased distances.

Front

What are the six types of simple machines?

Back

Lever, Inclined Plane, Wedge, Screw, Pulley, Wheel and Axle.

Front

How does a lever work?

Back

A lever consists of a rigid bar that pivots around a fixed point called the fulcrum, allowing us to lift or move loads with less effort.

Front

What is an inclined plane?

Back

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

Front

What is a screw?

Back

An inclined plane wrapped around a cylinder, used to hold objects together or lift materials.

Front

What is a pulley?

Back

A wheel on an axle designed to support movement and change the direction of force.

Front

What is a wheel and axle?

Back

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

Front

What is the purpose of using simple machines?

Back

To reduce the amount of force needed to perform work, making tasks easier.

Front

What is mechanical advantage?

Back

The ratio of the output force produced by a machine to the input force applied to it.

Front

What is a first-class lever?

Back

A lever where the fulcrum is located between the effort and the load, like a seesaw.