A car of mass ?m? is driven with acceleration ?a? along a straight lev – McqOptions

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1.	A car of mass ?m? is driven with acceleration ?a? along a straight level road against a constant external resistive force ?R?. When the velocity of the car is ?V?, the rate at which the engine of the car is doing work will be [MP PMT/PET 1998; JIPMER 2000]
A.	RV
B.	maV
C.	\[(R+ma)V\]
D.	\[(ma-R)V\]
Answer» D. \[(ma-R)V\]

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