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A tractor pulls a 978 kg wagon at a velocity of 4.9 m/s. How many watts...

A tractor pulls a 978 kg wagon at a velocity of 4.9 m/s. How many watts of power are exerted by the tractor motor is the tractor pulls the wagon at a 60 degree angle? Please show your work to earn credit for this question.

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Answer #1

Solution) M = 978 kg

V = 4.9 m/s

Theeta = 60°

Power, P = ?

P = Fcos(theeta).V

F = Mg

P = (Mg)cos(theeta).V

P = 978×9.8×cos(60)×4.9

P = 23481.78 W

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