Q. Give the magnitude and direction of the net force acting on
(a) A drop of rain falling down with a constant speed.
(b) A cork of mass
10 g floating on water.
(c) A kite skillfully held stationary in the sky.
(d) A car moving with a constant velocity of
30 km/h on a rough road.
(e) A high-speed electron in space far from all material objects, and free of electric and magnetic fields.