What is the work done to increase the velocity of a car from 40 km/hr to 60 km/hr if the mass of the car is 1000 kg ? Does the work done by the force have a negative or a positive magnitude ?
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What is the work done to increase the velocity of a car from 40 km/hr to 60 km/hr if the mass of the car is 1000 kg ? Does the work done by the force have a negative or a positive magnitude ?
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Answer: -77160.49 Joules (approx)
It has a negative magnitude
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Answer:
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