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Question
The efficiency of machine is reduced due to friction
The efficiency of machine is reduced due to friction
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Solution
The correct option is A True
Work
is done when a force causes an object to move in the same direction that the
force is applied. Friction reduces efficiency because when two surfaces
slide past each other, friction resists their motion, and in real machines,
some input work is always used to overcome friction..
Work is done when a force causes an object to move in the same direction that the force is applied. Friction reduces efficiency because when two surfaces slide past each other, friction resists their motion, and in real machines, some input work is always used to overcome friction..
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