Levers Flashcards
1
Q
Lever uses…
A
Mechanical advantage to make lifting or applying pressure easier
2
Q
Levers are made…
A
A bar, pivot, called a fulcrum
3
Q
Levers have three parts which are
A
Effort, fulcrum and load
4
Q
Effort
A
Amount of force applied by the user (also referred as a input)
5
Q
Fulcrum
A
Where the lever pivots
6
Q
Load
A
The weight that needs to be moved (also referred as the output)
7
Q
Class one lever
A
Fulcrum between the effort and load
8
Q
Class two lever
A
Fulcrum at one end of the lever and the effort at the other with the load in the centre
9
Q
Class three lever
A
The effort between the fulcrum and the load
10
Q
Work =
A
Force x distance
11
Q
Potential energy =
A
Position
12
Q
Kinetic energy
A
Movement
