A machine can never be 100% efficient because some work is always lost due to which factor? A.friction B.gravity C.static<

Question

A machine can never be 100% efficient because some work is always lost due to which factor?
A.friction
B.gravity
C.static
D.input force

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Thanh Hà 4 years 2021-08-22T04:21:01+00:00 2 Answers 8 views 0

Answers ( )

  1. Nick
    0
    2021-08-22T04:22:02+00:00
    Reply

    Answer:

    A. can never be efficient due to friction

  2. ngockhue
    0
    2021-08-22T04:22:24+00:00
    Reply

    HEY!!

    Answer:

    A. friction

    Explanation:

    Now if we obtain output work same as input energy then it is 100% efficient.

    but this is only possible when we have no energy loss while it is not possible due to many reasons:

    one of the main cause of energy loss is friction

    A machine can never be 100% efficient because some work is always lost due to the lack of materials or equipment that would convert work by 100%. but so far, no machine has got 100% efficiency.

    So when the machine are working there must be a friction between its working parts due to which the out-input energy is lost in different parts and hence we can never be 100% efficient machine.

    HOPE IT HELPS!!

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