Work
Energy
Simple Machines
Simple Machines 2.0
Various
100

The use of force to move an object a certain distance.

What is work?

100
Energy stored in an object that is not moving.
What is potential energy?
100
The pivot point on a lever.
What is fulcrum?
100

A simple machine with no moving parts that is a straight slanted surface.

What is an inclined plane?

100
The units that energy is measured in.
What is joules?
200
The equation for work

What is Work = Force x distance (or W=Fd)?

200
Type of kinetic energy created by a musical instrument.
What is sound waves?
200
An inclined plane wrapped around a cylinder.
What is a screw?
200

A circular disk attached to a central rod.

What is a wheel and axle?

200
_________ ____________ is the sum of positive work and negative work.
What is total work?
300
The unit of measurement for work

What is Joules (J)?

300
The energy found in a moving object is called ___________ ____________.
What is kinetic energy?
300
An inclined plane that can be used to separate two objects is called a ______________.
What is a wedge?
300
The thing that is moved by the resistance arm when you push down on a lever.
What is load?
300
Energy __________ _____________ whenever it is used to do work.
What is changes form?
400
30N X 10M = _______________
What is 300 joules, or 300 newton-meters?
400
The law of conservation of energy states that energy cannot be created or _________________.
What is destroyed?
400
A wheel and axle with a free moving cord is called a _____________.
What is pulley?
400

The force you apply to a machine.

What is effort?

400
___________________ often performs negative work on an object.
What is friction?
500
4,000 joules = 10N X __________M
What is 400M?
500
The kinetic energy of electrons is called _________________________.
What is electricity?
500
A _______________ can either multiply an effort or multiply distance and speed.
What is lever?
500

A wheelbarrow, car, or anything else made up of two or more simple machines.

What is a compound machine?

500
When we write out an answer for "Work" we can use these 2 units. (________________ and ___________-_________)
What is joules and newton-meters?
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