A force of 10 N acts for 20 second on a body of mass 2 kg initially at rest. Calculate the energy required by the body and the work done by the applied force.
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1
Answer:
Explanation: therefore, 10,000J is the energy required by the body.
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2
Explanation:
F=m × d/t^2
so d= Ft^2/m
work= F×Ft^2/m
10×10 ×20×20/2= 20000 joule
Now by work energy theorem
Kinetic energy= 20000 joule
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