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2294546
How Machines Do Work?
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physics
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malakmickey12
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malakmickey12
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Resource summary
How Machines Do Work?
A machine is a device that makes work easier
INPUT FORCE
The force you exert on a machine
OUTPUT WORK
The machine exerts a force on you
A machine can make work easier by three ways :-
Changing direction
Changing distance
Changing force
Mechanical Advantage is the no. of times a machine increases the force
Output force over Input force
Mechanical Effeceincy is the output work compared to the input work
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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