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5. A body floats in a liquid contained in a beaker. The whole system as shown falls freely under gravity. The upthrust on the body due to the liquid is

(a) Zero

(b) Equal to the weight of the liquid displaced

(c) Equal to the weight of the body in air

(d) Equal to the weight of the immersed position of the body

Answer-a

PrevPrevious18. Assertion : Machine parts are jammed in winter. Reason : The viscosity of lubricant used in machine parts increase at low temperature.

Next6. A liquid is kept in a cylindrical vessel which is being rotated about a vertical axis through the centre of the circular base. If the radius of the vessel is r and angular velocity of rotation is ω , then the difference in the heights of the liquid at the centre of the vessel and the edge isNext

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