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A body of 50cm^3 is completely immersed ...

A body of `50cm^3` is completely immersed in water. Find the force of buoyancy on it.

Text Solution

Verified by Experts

`V=50cm^3`
`=50xx10^-6m^3`. Force of buoyancy,
`F_B=Vxx`density of water`xxg`
`=(50xx10^-6m^3)(1000(kg)/(m^3))(10(m)/(s^2))=0.5N`
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Knowledge Check

  • A metallic sphere of mass 2 . 0 kg and volume 2 . 5 xx 10 ^(-4) m^(3) is completely immersed in water. Find the buoyant force exerted by water on the sphere Density of water = 1000 kg// m^(3)

    A
    2 . 45 N
    B
    0 . 25 N
    C
    20 N
    D
    30 N

  • The loss of weight of body is 10 N when body is completely immersed in water, then the amount of water displaced by that body is

    A
    10 `m^3`
    B
    `10 ^(-3) m^3`
    C
    100 `m^3`
    D
    `10 ^(-2) m^3`

  • A brass wire of cross-sectional area 2mm^(2) is suspended from a rigid support and a body of volume 100cm^(2) is attached to its other end. If the decrases in the length of the wire is 0.11mm , when the body is completely immersed in water, find the natural length of the wire.

    A
    `20.43m`
    B
    `10.43m`
    C
    `40.43m`
    D
    `30.43m`