Question

A cyclist is moving at a speed of 5 m/s on leveled road. While going down the slop, his speed increases to 7 m/s. Here the nature of work done by gravitational force in increasing the speed of cyclist is an
example of ?
(a) positive work done (b) negative work done (c) Infinite work done

Answer 1

Answer:

positive work done

Explanation:

since direction of motion is similar to the corresponding force

Answer 2

Answer:

a) positive work done

I am not sure