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A cork is floating in a water tube. What...

A cork is floating in a water tube. What is the apparent weight of the cork ?

Text Solution

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The weight of the cork acting vertiaclly downwards is balanced by the upthrust due to the water. Therefore, the apparent weight of the floating cork is zero.
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Knowledge Check

  • Statement -1 : A block of wood is floating in a tank containing water. The apparent weight of the floating block is equal to zero. Statement -2 : Because the entire weight of the block is supported by the buoyant force (the upward thrust) due to water.

    A
    Statement -1 is true , Statement -2 is true , Statement -2 is a correct explanation of Statement -1.
    B
    Statement -1 is true , Statement -2 is true , Statement -2 is not a correct explanation of Statement -1.
    C
    Statement -1 is true, Statement -2 is false.
    D
    Statement -1 is false , Statement -2 is true.

  • A cork of mass 10 g is floating on water. The net force acting on the cork is

    A
    10N
    B
    `10^(-3)N`
    C
    `10^(-2)N`
    D
    zero

  • A man of weight 40 kg floats on water in a lake. His apparent weight is

    A
    40 kg
    B
    35 kg
    C
    zero
    D
    20 kg

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