Question

refer to the attachment
no wrong answer needed
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Answer 1

Answer:

$Option \ (D) \ \dfrac{GM}{R^2} \text{ is the right answer}$

Explanation:

We know that, gravitational field force and weight of the object are equal.

$\dfrac{GMm}{R^2}= mg$

G = Gravitational constant

M = Mass of the earth

m = mass of the object

R = Radius of the earth

g = acceleration due to gravity

So, from the above relation, cancelling out the 'm' we get

$\dfrac{GM\bcancel{m}}{R^2}= \bcancel{m}g$

$: \implies \underline{\boxed{g = \dfrac{GM}{R^2}}}$

Hope it helps!!

Answer 2

Answer:

We know that, gravitational field force and weight of the object are equal.

\dfrac{GMm}{R^2}= mg

R

2

GMm

=mg

G = Gravitational constant

M = Mass of the earth

m = mass of the object

R = Radius of the earth

g = acceleration due to gravity

So, from the above relation, cancelling out the 'm' we get

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