physics help need urgent

Physics
Tutor: None Selected Time limit: 1 Day

I cannot understand it at all please help me. 

When a Coolie A lifts a load on the roof of a bus in 1 minute and another Coolie B lifts the same load on the roof of the bus in 2 minutes. How can their work done been same? I need explanation and with formula .thanks

Jul 12th, 2015

Thank you for the opportunity to help you with your question!

work done = force applied * displacement produced

work done is independent of time


here both coolies A and B are lifting the same load and the displacement produced by both coolies are same

so the work done by both of them will be same.. 

because work done does not depend on time,it only depends on the force applied and the displacement  produced on the body.


hope you understood..please message if you have any doubts...thank you


Please let me know if you need any clarification. I'm always happy to answer your questions.
Jul 12th, 2015

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Jul 12th, 2015
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Jul 12th, 2015
Dec 9th, 2016
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