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Subjects
Science CBSE
Class 9
Work and energy
Work done and different forms of energy
17.
Find the Work done by the force
Exercise condition:
4
m.
Certain force acting on a
25
\(kg\) mass changes its velocity from
7
m
s
−
1
to
3
m
s
−
1
. Calculate the work done by the force.
Answer
:
\(N\).
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