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Description
How Machines Do Work?
- A machine is a device that makes work easier
- INPUT FORCE
- The force you exert on a machine
- The force you exert on a machine
- OUTPUT WORK
- The machine exerts a force on you
- The machine exerts a force on you
- INPUT FORCE
- A machine can make work easier by three ways :-
- Changing direction
- Changing distance
- Changing force
- Changing direction
- Mechanical Advantage is the no. of times a machine increases the force
- Output force over Input force
- Output force over Input force
- Mechanical Effeceincy is the output work compared to the input work
- Output work over input work Times 100%
- Output work over input work Times 100%
- The work is wasted due to friction, there is no effeceincy that is 100%
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