What power is necessary for pulling a harrow with 50 times, each givin – McqOptions

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1.	What power is necessary for pulling a harrow with 50 times, each giving a resistance of 1 kg, when the speed of harrow is 5km/hr.
A.	0.980 KW
B.	0.223 KW
C.	0.680 KW
D.	1.902 KW
Answer» D. 1.902 KW

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