A 100 Newton acting on a body gives its acceleration of 1 metre per second square.A 250 Newton force acting on the same body causes an acceleration of 3 metres per second square the mass of the body is
a) 100kg b)75kg c) 125kg d)50kg
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Answer:
a) is answer.
Explanation:
Solve it from the first force.
F=ma,F/a=m
that is m=100/1=100kg.
When we solve it by 250N this is not the answer also it is not in option. So 100 is right.
If 250 N acts on the body its acceleration will be 2.50m/s^2 not 3
look here let acceleration be x
250/x=100,so x=2.5
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