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.Management Sciences
A. always positive
B. always negative
C. positive only for small frictional force
D. positive only for large frictional force
Related Mcqs:
- If velocity is doubled then__________________?
- A. momentum increases 4 times and K.E increases 2 times B. momentum and K.E. remain same C. momentum increases 2 times and K.E increases constant D. momentum increases 2 times and K.E increases 4 time...
- Which of the following is not conservative force_________________?
- A. friction B. electric C. gravitational D. magnetic...
- The escape velocity form the earth surface in km S-1 is____________________?
- A. 4.2 km S-1 B. 7.5 km S-1 C. 9.5 km S-1 D. 1.1 km S-1...
- Work done on the body equals to the _____________________?
- A. change in its K.E always B. change in its P.E always C. change in its K.E and change in its P.E D. neither change in K.E and nor change in its P.E...
- The highest value of escape velocity in solar system is planet____________________?
- A. Earth B. Neptune C. Jupiter D. Moon...
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