CBSE Class 11-science Answered
please give the answer
Asked by sukhmaneet | 03 Sep, 2009, 08:06: AM
Expert Answer
No.
The external force is required so that some work can be done, positive or negative, and that amounts to increasing or decreasing the kinetic energy of the system.
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Answered by | 03 Sep, 2009, 10:58: AM
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