Question

Q20.
A body of volume 500 cm is completely immersed in water. The buoyant force acting on
the body is
(G- 10 m/s)
(A) 6,0 N
(B) 5.0 N
(C) 6.8 N
(D) 5.5 N
(E) 3.5 N

Answer 1

Explanation:

immersion=700gm

Buoyant force acting on body upwards=Vρg=100cc×1g/cc×g

=100gm

The reaction pair of this force acts on the water downwards which adds to the weight of water and jar.

Hence the weight of water and jar becomes 700gm+100gm=800gm

Answer 2

3.5 N

I;m not sure

Ihope it is helpful