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

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) +2000 J (B) -200 J (C) zero (D) -20000 J

Tardigrade Admin · Accepted Answer

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

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

$+ 2000 J$

$- 200 J$

$zero$

$- 20000 J$

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

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

+2000J

−200J

zero

−20000J

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

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

$+ 2000 J$

$- 200 J$

$zero$

$- 20000 J$