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. Examples include levers, pulleys, and inclined planes.

Front

What are the six types of simple machines?

Back

The six types of simple machines are: 1) Lever, 2) Wheel and Axle, 3) Pulley, 4) Inclined Plane, 5) Wedge, 6) Screw.

Front

What is a lever?

Back

A lever is a simple machine consisting of a beam that pivots about a fixed point called a fulcrum.

Front

What are the three classes of levers?

Back

Class 1: Fulcrum in the middle (e.g., seesaw). Class 2: Load in the middle (e.g., wheelbarrow). Class 3: Effort in the middle (e.g., tweezers).

Front

What is a wheel and axle?

Back

A wheel and axle is a simple machine that consists of a large wheel attached to a smaller axle, allowing them to rotate together.

Front

What is an inclined plane?

Back

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

Front

What is a pulley?

Back

A pulley is a simple machine that consists of a wheel on an axle or shaft designed to support movement and change the direction of a taut cable or belt.

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 a screw?

Back

A screw is a simple machine that consists of an inclined plane wrapped around a cylinder, used to hold objects together or lift them.

Front

What is Mechanical Advantage?

Back

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