Give two examples of zero work
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4
hey
work done = F.x
so,
if applied force is zero so the work done will be zero
if displacement zero so work done will be zero
A COOLIE .. HE APPLIED FORCE AT 90° SO F(cos90°=0) = so work done by collie will be zero
A man who get up from his bed and do work all over the day and get to sleep at that bed only in night
total displacement =0
so work done will be zero.
work done = F.x
so,
if applied force is zero so the work done will be zero
if displacement zero so work done will be zero
A COOLIE .. HE APPLIED FORCE AT 90° SO F(cos90°=0) = so work done by collie will be zero
A man who get up from his bed and do work all over the day and get to sleep at that bed only in night
total displacement =0
so work done will be zero.
Answered by
1
when the force acting on the object is the perpendicular to the direction of displacement
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