Q. 25.0( 1 Vote )
The total work do A. always
B. only if the forces acting on it are conservative
C. only if gravitational force alone acts on it
D. only if elastic force alone acts on it.
Answer :
Irrespective of the force whether it is conservative or non-conservative, the work done by them on the particle by the resultant force is always equal to the change in its Kinetic energy, whether it is +ve or -ve.
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