8th Ch.9 Vocab Science Flashcards
1
Q
The rate at which one form of energy is transformed into another.
A
Power
2
Q
The unit of power when one joule of work is done in one second.
A
Watt
3
Q
The amount of work you do when you exert a force of 1 newton to move an object a distance of 1 meter.
A
Joule
4
Q
Force exerted on an object that causes it to move.
A
Work
5
Q
The force exerted on a machine.
A
Input-Force
6
Q
The force exerted on an object by a machine.
A
Output-Force
7
Q
A device that combines two or more simple machines.
A
Compound Machine
8
Q
The most basic device for making work easier, these are the smaller building blocks for complex machines.
A
Simple Machine
9
Q
A device that changes the amount of force exerted, the distance over which a force is exerted, or the direction in which force is exerted.
A
Machine
