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A tractor is attached with a 9-tine cultivator. While field testing, drawbar dynamometer shows an average pull of 14000 N. the speed of tractor is 6 km per hour. Find the power of the tractor.

a) 24 KW
b) 25 KW
c) 21.67 KW
d) 23.33 KW

Answer: d
Explanation: N
Power = Pull * Speed
= 14000 * 10/6 N.m/s
= 23333.33 N.m/s
= 23333.33 Watts
= 23.33 KW.

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