Question

2. Weight of a body in air and water is 450 gf and 310 gf. Calculate volume, upthrust and loss in the weight of the
3. A body of density 5 g/cm Weighs 0.5 kgf in air. It is immersed in water of density 1 g/cm Calculate the apparent
weight of solid in water,
4. A body of weight 3,5 kgf displace 1 litre of water when fully immersed, Calculate the volume of body and othrust
5. A wooden block is floating on the surface of water with its dimensions 50 cm x 50 cm 50 om inside water. Find
buoyant force acting on the block, (g =9,8 ms)
6. A cuboid of volume 125 cm" and density 9 10° kg/m' is suspended in a liquid by means of a thread. Find tension
Moat?
numericals
.
Ant, 1.8 1.32
body
Ane, 140 cm 140 gf and 1406
acting on the body
Ana, 1 litre, 10
A. 1225
in the thread if density of liquid is 1.2 % 10% kg/m3,
a a
Ann 9.75 N
7. A piece of iron weighs 200 gf in air and 175 gf in water when immersed completely in water. The density of water is
1 g/crnº, find the volume of iron piece, Also explain why does iron piece weigh less in water,
Ana, 25 cm, due to upthrust,
8. Weight of a metallic block is 13,5 kgf and volume is 15000 cm? Calculate upthrust on the block, when immersed
fully in water
Ana, 15 kg
9. What will be the upthrust on metallic block in the above problem when it Noats on the surface of water? (density of
water is 1 g/cm)
Ans. 13.5 VGS
10. A body of weight 3.5 kgf displaces 1000 cm of water when immersed completely in water. Calculate apparent
weight of the body in water.
Ans.25 Vol​

Answer 1

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