Question

In which of the following case(s) the net force acting on the body is not zero?:
(a) A feather falling down with constant speed
(b) A ball of mass 35g floating on the surface of argan oil
(c) A bicycle moving with a constant speed of 32km/hr on a rough road
(d) A pebble of mass 0.07kg is thrown vertically upwards.​

Answer 1

Answer:

Step-by-step explanation:

(c) A bicycle moving with a constant speed of 32km/hr on a rough road.

I think this is correct answer.