A bicyclist comes to a skidding stop in During this process, the force on the bicycle due to the road is is directly opposed to the motion. The work done by the cycle on the road is:
1.
2.
3. zero
4.
Hint:
Step: Find the work done on the road by the cycle.
From Newton’s Third Law, an equal and opposite force acts on the road due to the cycle. Its magnitude is However, the road undergoes no displacement.
Therefore, the work done by cycle on the road is zero.
Hence, option (3) is the correct answer.
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