Question

20. A man can lift 60 kg load in air. How much load he can
lift in water? Density of load 5.6.
[110 kg]​

Answer 1

Answer:

Let the weight he can lift in water be m ,then,

Apparent weight = Real weight − Bouyant force

60g = Vρlg − Vρwg

60 = mρl(ρl−ρw)

m = 60(5.65.6−1)

m = 73.04kg