12.2 Flashcards
1
Q
Machine
A
A device that changes the amount of force exerted or the direction in which the 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 machine
4
Q
Mechanical advantage
A
The number of times the force exerted on a machine is multiplied by the machine
5
Q
Efficiency
A
The percentage of the input work that is connected to output work
6
Q
Actual Mechanical Advantage
A
The machine advantage that a machine provides in a real situation
7
Q
Ideal Mechanical Advantage
A
The mechanical advantage that a machine would have without friction
