How much force should be applied on a body of mass 5 kg so that in 3 second it's velocity becomes 9 m/sec if the body is initially at rest?
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Answer:
mass=5kg
Explanation:
time=3s
velocity= 9ms-1
f=m*a
A=3/9
A=3
F=m.a
F=5*3
F=15kg or 150Nm
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