Question

Q.7. Solve the following problems:
(1) A force of 1000N was applied to stop a car that was moving with a constant velocity. The car stopped
after moving through 10 m. How much is the work done?
Ans.​

Answer 1

Explanation:

Work done by the force to stop the car = Force applied on the car × Distance covered by it after the force applied. ∴ W = 10000 J. or W = 10 kJ. Hence, the work done by the force to stop the car is 10 kJ (or kilo Joule) or 10000 J

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