Question

piece of iron of density 156g and 7.8g/cm3 floats on mercury of density 13.6g/cm3. what id the minimum force required to submerge it
please answer as soon as possible fastt​

Answer 1

Answer:

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Answer 2

Answer:

0.43

ρiron=7.8×103kg/m3

ρHg=13.6×103kg./m3

Let volume of body=V

Weight of body = buoyant force

ρironVg=ρHgV′g

7.8×103×V=13.6×103×V′

V′=13.6×1037.8×103

V′=13678V

V′=0.57V

Volume outside =V−V′

V−0.57V