Question

A body of mass 5kg displaces 1000cm3 of water when fully immersed in water. Find1volume of the body. 2apparent weight of the body in water

Answer 1

Answer:

Volume of body is equal to the volume of water displaced.

V

b

=V

w

=1000 cm

3

=0.001 m

3

(ii) :

Upthrust B=V

b

ρ

w

g=0.001×1000×10=10 N

(iii) :

True weight W=3.5×10=35 N

Apparent weight W

a

=W−B=35−10=25 N or 2.5 kg