Question

a force of 5 n acting ona a body a produces an acceleration of 2 m per sec the same force acting on the body b produces an acceleration of 5 m per sec square .find the mass of the bodies a and b .what will be the acceleration produced if both the bodies are tied together and same force ( i.e 5 n acts on it)

Answer 1

first case F = 1.5 N

In 2nd case

a = 1.5 N/1.5kg = 1 m/ S^2

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Answer 2

mass of first body=F/a=10/5=2kg
mass of second body=10/2=5kg
when tied together, total mass=5+2=7
acceleration=F/M=10/7=1.43m/s^2

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