Question

A boy has mass is 75 kg holds in hands a bag weighing 14 N . with what force does the floor push up on his feet?

Answer 1

Answer:

Explanation:

Force due to mass of boy=75kg*9.8ms^2=735N

Force due to weight of bag=14N

Total Force acting downward=735+14=749N

According to Newton's Third Law

Action Force=-Reaction Force

So, the Force the floor push up on his feet=749(-749) -ve sign shows direction!

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