Question

.What do you mean by work? Give an example of negative work done? What is the work
to be done to increase the velocity from 18 km/hr to 19 km/hr if the mass of the care is
2000 kg.

Answer 1

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What is the work to be done to increase the velocity from 18 km/hr to 19 km/hr if the mass of the care is 2000 kg. ... Work is said to be done when there is a displacement inn the body. negative work is done for example against friction...

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