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

Q: 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)+ 2000 J

(b) -200 J

(c) zero

(d) -20,000 J

Ans: (c)