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Question

A bicyclist comes to a skidding stop in 10 𝑚. During this process, the force on the bicycle due to the road is 200 𝑁 and is directly opposed to the motion. The work done by the cycle on the road is

A
Zero
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B
+2000J
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C
200J
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D
20,000J
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Solution

The correct option is A Zero
Formula used:

W=Fs cos cosθ

As the road does not move at all, therefore, work done by the cycle on the road is zero.

Final Answer: (c)

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