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Physical Science Chapter 3: Simple Machines

A colorful educational illustration depicting various simple machines like levers, pulleys, and inclined planes in action, in a classroom setting.

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:

What is work?
What is a lever?
Can you identify different types of simple machines?

10 Questions2 MinutesCreated by LiftingHammer42

What is work?

Force X Distance

Mass X Distance

The ability to lift things

Distance X Time

What is power?

Force X Distance

The ability to light up a room

Work / Time

Mass / Force

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

Which of the following is a second class lever?

Wheelbarrow

Soda can tab

Rake

Crane

What is a fulcrum?

The wheel and axle on a car

The point on which a lever pivots

The ramp of an inclined plane

The pulleys of a crane

None of the above

Which of the following is not a simple machine?

Ramp

Pulley

Car

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

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