please give the answer

Asked by sukhmaneet | 3rd 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.

Regards,

Team,

TopperLearning.

Answered by  | 3rd Sep, 2009, 10:58: AM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.