Please enable JavaScript.
Coggle requires JavaScript to display documents.
Levers (1st order lever (Advantages (Stable and strong, Increasing the…
Levers
1st order lever
The pivot is between the effort and the load
Like a see saw
Eg the neck
Advantages
Stable and strong
Increasing the length of lever arm will increase the mechanical advantage
Disadvantages
Slow acting
Little flexibility
2nd order lever
The load is between the pivot and the effort
Wheel barrow
This lever has a mechanical advantage
Advantages
Stable and strong
Increasing the length of the lever arm will increase the mechanical advantage
Disadvantages
Slow acting
Little flexibility
3rd order lever
The effort is between the pivot and the load
This lever has a mechanical disadvantage
Advantages
Fast movement
Large range of motion
Increasing the length of the lever arm will decrease the mechanical advantage
Disadvantages
The amount of force applied will always exceed the weight of the load