An automobile is moving at 100 kmph and is exerting attractive force of 3920 N. What horse power must the engine develop, if 20% of the power developed is wasted ?

An automobile is moving at 100 kmph and is exerting attractive force o

1.	An automobile is moving at 100 kmph and is exerting attractive force of 3920 N. What horse power must the engine develop, if 20% of the power developed is wasted ?
Answer» ANSWER :182.5 HP