2. A body of mass 500 g, initially at rest, is acted upon
by a force which causes it to move a distance of
4 m in 2 s, Calculate the force applied. Ans. 1 N
Answers
Answered by
1
Answer
Given: m=500gor0.5kg,u=0;s=4m;t=2s,F=?
We know that, S=ut+
2at
2
1
4=(0)(2)+
2
1
(a)(2)
2
4=0+2a
a=2m/s
2
Force=mass×acceleration
=0.5×2
=1N
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