Chapter 13.2 Flashcards
1
Q
Machine
A
A device that changes the amount of force exerted, the distance over which a force is exerted.
2
Q
Input Force
A
The force exerted on a machine.
3
Q
Output Force
A
The force exerted on an object by a machine.
4
Q
Input Work
A
The work done on a machine as the input force acts through the input distance.
5
Q
Output Work
A
The work done by a machine as the output force acts through the output distance.
6
Q
Mechanical Advantage
A
The number of times a machine increases a force exerted on it.
7
Q
Efficiency
A
The percentage of the input work that is converted to output work.
