Vocabulary
Simple Machines
Simple Machines 2
Force/Motion
Vocabulary 2
100
a push or a pull
What is a force?
100
An ax is an example of this simple machine...
What is a wedge?
100
This simple machine gives cars, trucks, bikes, etc. their ability to travel...
What is a wheel and axle?
100
Simple machines help to make work easier by...
decreasing the effort needed.
100
pulls objects toward the center of the Earth
What is gravity?
200

measures the distance an object travels in a certain amount of time

What is speed?

200
A wheelchair ramp is what type of simple machine...
What is an inclined plane?
200
This simple machine includes an inclined plane wrapped around a post.
What is a screw?
200

For a satellite to stay in orbit around Earth, it has to be moving forward very fast all the time. This force will make it fall to Earth if it goes too slowly.

What is gravity?

200
describes the location of an object
What is position?
300
the point on which a lever rests; the fixed point
What is a fulcrum?
300
A light bulb includes which simple machine...
What is a screw?
300
Simple machines change the amount of _____________ needed to do work.
What is force?
300
An object may move when a _______ is applied to it.
What is a force?
300
when two objects rub together; causes heat and slows the speed of an object
What is friction?
400

this is done when a force moves an object over a distance

What is work?

400
A doorknob includes this simple machine.
What is a wheel and axle?
400
This simple machine changes the direction of force needed to do a task without changing the size of the force needed.
What is a pulley?
400
An object is being pulled to the right. To make the object move to the left, you would have to apply a force to the left that is ________________ the force to the right.
What is greater than?
400
measure of the gravitational pull of an object on Earth
What is weight?
500
Simple machines have _______ moving parts.
What is few/no?
500
If you wanted to lift a bucket of water out of a well, you would use this simple machine.
What is a pulley?
500
This simple machine helps a boat slice through the water.
What is a wedge?
500
An object that is pulled with the least amount of force will _________________.
What is move the slowest?
500
A machine with few or no moving parts.
What is a simple machine?
M
e
n
u