Simple Machines Study Guide

What is work?

• A pull or a push
• Applying a pull or a push to move or change something
• The rate at which a force is applied to an object
• The rate at which energy is used to apply a force to an object

Work is measured in:

• Meters
• Newtons
• Joules
• Seconds

Complete the statement. _________ is the ability to do work.

• Energy
• Power
• Force
• Pushing or pulling

How much energy does a person use in order to perform 100 Joules of work?

• 50 Joules of energy
• 100 Joules of energy
• 200 Joules of energy
• A person doesn’t use energy to perform work

What is power?

• The rate at which energy is used or work is performed
• The total amount of energy a person uses to perform work
• The total amount of force a person applies to move an object
• A way to describe the strength of a force

What is a simple machine?

• A tool that reduces the amount of work performed
• A tool that increases the amount of work performed
• A tool that makes it easier to perform work
• Both a and b

What is mechanical advantage?

• The amplification of an input force for a given output force
• The amplification of an output force for a given input force
• The reduction in the amount of work performed when using a simple machine
• The increase in the amount of work performed when using a simple machine

Identify the simple machines:

• Incline Plane
• Screw
• Wheel & Axel
• Lever
• Pulley

Identify the simple machines:

• Screw
• Incline Plane
• Wheel & Axel
• Lever
• Pulley

Identify the simple machines:

• Wheel & Axel
• Incline Plane
• Screw
• Lever
• Pulley