Question

Q2. While passing nearby a pond, some students saw a drowning mam
screaming for help. They alerted another passerby, who immediately threw an
inflated tube in the pond. The man was saved.
(a) Why the passerby did use inflated rubber tube to save drowning
man?
(b) Write the principal involved here.​

Answer 1

Explanation:

a) Inflated rubber tube remains floating on water as the weight of water displaced by it is very high as compared to its own weight. So by holding the inflated tube the man will not sink in the water.

b) Here the main principal is the bouyancy of the rubber tube.