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Give the magnitude and direction of the ...

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.

Text Solution

Verified by Experts

(a) to (d) No net force according to the First Law (e) No force, since it is far away from all material agencies producing electromagnetic and gravitational forces.
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