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Byju's Answer
Standard IX
Physics
Types of Work
What is zero ...
Question
What is zero work? or when can work done be zero?
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Solution
Work done
W
=
F
S
cos
θ
where
θ
is the angle between force
F
and displacement
S
.
If force is perpendicular to displacement i.e.
θ
=
90
⟹
W
=
0
(
∵
cos
90
=
0
)
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