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Problem
Problem
Assertion :
A body is moved from
x
=
2
x = 2
x
=
2
to
x
=
1
x = 1
x
=
1
, under a force
F
=
4
x
F = 4x
F
=
4
x
, the work done by this force is negative.
Reason :
Force and displacement are in opposite directions.
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