Give -the magnitude and direction of the net force acting on
a high-speed electron in space far from all material objective, and free of electric and magnetic fields.

Give -the magnitude and direction of the net force acting on a cork of mass 10 g floating on water,

Give -the magnitude and direction of the net force acting on a drop of rain falling down with a constant speed

Give -the magnitude and direction of the net force acting on a kite skillfully held stationary in the sky,

Give -the magnitude and direction of the net force acting on a car moving with a constant velocity of 30 km/h on a rough road.

Give the magnitude and direction of the net force acting onfa) 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. (cf) a car moving with a constant velocity of 30 km/h on a rough road.

Give the magnitude and direction of the net force acting on a stone of mass 0.1 kg, (a) just after it is dropped from the window of a stationary train,(b) just after it is dropped from the window of a train running at a constant velocity of 36 km/h,just after it is dropped from the window of a train accelerating with 1 ms^2,just after it is dropped from the window of a train accelerating with 1M/S2

Ten one-rupee coins are put on top of each other on a table. Each coin has a mass m. Give the magnitude and direction of (a) the force on the 7th coin (counted from the bottom) due to all the coins on its top,(b) the force on the 7th coin by the eighth coin, (c) the reaction of the 6th coin on the 7th coin.