Question

ve reasons for the following:
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1 An iron nail sinks in water whereas huge ship floats in water
A felder moves his hands backward while catching a fast moving cricket ball
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Answer 1

Answer:

1. Iron nail sinks vecause of high density and it does not exert that much buoyant force to float on the water whereas ship bing wide and hollow able to exert more buoyant force to float on the surface.

2. Fielder moves his hand backward while catching ball to reduce momentum of the ball so it doesn't get injury due to sudden thrust felt by ball on hand.