Physics, asked by WwwMosiman, 2 months ago

The weight is twice as much as the external force applied to a body that weighs 40kg.​

Answers

Answered by greeshma2006
0

Answer:

Given,

Mass=40kg,v=1m/s,v=2m/s

According to the work-energy conversion theorem;

Work done by the force= Change in Kinetic energy,

Work done by the force =( 21 )×m×(v

2 −u 2 )

Work done =0.5×40×(4−1)=60J

Explanation:

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