An elevator carrying a person of mass m is moving downward and slowing down. How does the magnitude F of the force exerted on the person by the elevator compare with the magnitude mg of the gravitational force?
A. F < mg
B. F > mg
C. F = mg
D. F can be > or < or = mg, depending on the speed of the elevator.
correct answer is B. i want to know why B is the correct answer.



Answer :

F > mg compare with the magnitude mg of the gravitational force.

What does gravitatioanal force?

The force of attractions between any two bodies is directly proportionally to the product of their masses and is inversely proportionally to the square of the distance between them, according to Newton's universal law of gravitation.

The gravitational force, which is pushes the mass-containing objects towards one another. We frequently considered the pulled of gravity from the Earth. Your body's is kept on the grounds by this force. However, all mass-containing objects are pulled toward one another's by gravity.

Since the elevators is moving down, v y0v y0. Since the acceleration has the reverse sign of the velocity (a y>0ay >0), it is slowing down (positive slope).

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