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Assertion: A body is moved from to under a force
PHYSICS · Subjective · CBSE · Physics · Work and Energy · Work and Energy
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.
Related theory
Work by Constant Forces
Work and energy
Work
Work, energy and power
Work done by a constant force
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