Simple Machines Review Flashcards
1
Q
Input force
A
The force you apply to a simple machine
2
Q
Output force
A
The force you apply to the object
3
Q
Work
A
Force x distance
4
Q
Effort
A
Describes input force
5
Q
Mechanical Advantage
A
Another word for leverage
6
Q
Fulcrum
A
The pivot for a lever
7
Q
If I was to make lifting ab object with a lever easier to do (take less effort) what should I do with the fulcrum?
A
Put the fulcrum closer to the object or load
8
Q
What would the mechanical advantage of a pulley be if the of was 12n and the if was 3n
A
4n
9
Q
What is the easiest way to increase the mechanical advantage of a ramp?
A
By making the ramp longer
10
Q
Why don’t you want to change the height of a ramp when changing the length?
A
Because you have to put in more work.