A cyclist comes to a skidding stop in `10m`. During this process, the force on the cycle due to the road is `200N` and is directly opposite to the motion.
a. How much work does the road do on the cycle?
b. How much work does the cycle do on the road?

Options

A. `+2000`J
B. `-200 J `
C. zero
D. `-20,000` J

Answer

C

Explanation

As the road not move , so work done by the cycle on the road is zero .