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Physics CBSE Live product
Class 9
Work and energy
Potential energy
7.
Find the Work done by the force
Question:
4
m.
Certain force acting on a
23
\(kg\) mass changes its velocity from
6
m
s
−
1
to
2
m
s
−
1
. Calculate the work done by the force.
Answer
:
\(N\).
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