Question

True/False

a) The density of a liquid decreases with increase in its temperature.

b) The energy stored in water of a dam is kinetic energy.

c) Power spent by a body depends on the time for which it does work.

d) When a gas is allowed to expand, its volume decreases.

e) SI unit of moment of force is mN.

f) Moment of force about the given axis depends on magnitude of force alone.

g) A stone immersed in water is more difficult to lift than when it is in the air.​

Answer 1

Answer:

a - true

B- true

c - false

d - false

e - true

f - true

g - false