Two bodies balance each other when suspended from the arms of a balance into water. The mass of one is 35gm and density 7gm/cc. If the density of the other is 6gm/cc, What is it's mass ?

Two weights are suspended from a string thrown over a light frictional pulley. The mass of one weight is 200g. If a heavy mass M is attached to the other end, the tension in the string is ?

A cube of wood supporting a 200 gm mass just floats in water. When mass is removed ,the cube rises by 2cm . What is the size of the cube ?

A body weighing 500gm.is lowered into a fluid of density 0.8gm/cc. If the apparernt loss of weight is 40gm, find the density of the body.

A piece of ice is floating in a beaker completely filled with a liquid of density 1.5gm/cc. What will happen to the level of water when the ice melts ?

A body weights 7.55gm in air, 5.17gm in water and 6.35 gm in liquid . Calculate the relative density of the body and also that of liquid.

A 5 kg body is suspended from a spring balance physical balance. If both is balaced on the pan of a physical balance. If both the balances are kept in an elevator then what would happen in each case when the elevator is moving upward acceleration?

A metal rod 25 cm long and 10sq cm in cross section has it's one end placed in boiling water and the other end in melting ice. Calculate the mass of ice method per minute if K for metal is 378 W/mk. Latent heat of fusion of ice - 80 K cal/gm . J = 4200 j/Kcal.