Question

If an object is falling from above, its weight remains-

Answer 1

Weight of an object on the ground or close to ground is w = mg ⇒w=mass X 9.8

g=9.8 ms⁻² is on the surface of the earth.

g=GM/R² ; where G is universal gravitation constant, M is mass of the earth and R is the radius of the earth.

If the object is falling from height comparable to earth radius  (6,400 Km), then object height from ground (say r) need to be considered for calculating gravity at that point.

then, g'=GM/(R+r)²

For falling object the gravity continuously decrease and becomes 9.8 ms⁻² on the surface of the earth. So, weight (w=mg') continuously decreases.

because mass (m) is constant.

Answer 2

Answer:

Explanation:

For falling object the gravity continuously decrease and becomes 9.8 ms⁻² on the surface of the earth. So, weight (w=mg') continuously decreases.

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