Physical Science Chapter 3: Simple Machines

Simple Machines Quiz

Test your knowledge of simple machines with this engaging quiz! From levers to pulleys, learn how these devices make work easier and more efficient.

Prepare to challenge yourself with questions such as:

10 Questions2 MinutesCreated by LiftingHammer42

Efficiency is defined as the ratio of output work to the input work. What does that mean?

Something is efficient if has the same amount of output as input

Something is efficient if the output is greater than the input work

Efficiency does not apply to machines

Something is efficient if the input is greater than the output work

What is a lever? Which one is correctly matched as a lever?

An inclined lane wrapped around a cylinder; a crane

A flat sloped surface; a ramp

Bar that rotates or pivots on a fixed point; crowbar

A sloped surface that moves; an axe

What is a simple machine?

They do work using several movements

They make doing work harder

They push things

They make work easier to do

Mechanical advantage is the ratio of a machines output force to its input force applied. What does that mean?

It exists when the output force is greater than the input force

It exists when the input force is greater than the output force

Machines don't provide any advantage

Simple machines provide only a small advantage

A flagpole is an example of which type of simple machines?

Inclined Plane

Screw

Pulley

Lever