Question

0.8 The acceleration due to gravity at
three point A, B and Care 9.8 m/s2,10 m/s2
and 5 m/s2 on the earth surface!
Which of the following is true?
a. Bis at least distance out of three point
from the center of the earth
b. C is at farthest distance out of three
point from the center of the earthu c. Weight
of the object is lowest at point out of
three point
d. The weight of the object varies as
WB>WA>WC​

Answer 1

Answer:

C is at farthest distance out of three

point from the center of the earthu c. Weight

of the object is lowest at point out of

three point

Explanation:

C is at farthest distance out of three

point from the center of the earthu c. Weight

of the object is lowest at point out of

three point

Answer 2

Given:

The acceleration due to gravity at three point A, B and C are 9.8 m/s² , 10 m/s² and 5m/s².

To find:

Correct options :

Calculation:

Gravitational acceleration is analogous to gravitational field intensity from the centre of the earth to a particular distance.

$\boxed{ \sf{g= \dfrac{GM}{ {r}^{2} }}}$

where , g is gravity , G is universal Gravitational Constant , M is mass of earth and r is the distance of the point from centre of earth.

Weight of any body is given as :

$\boxed{ \sf{W = mg = \dfrac{GMm}{ {r}^{2} }}}$

Hence , for constant mass of object :

$\boxed{ \sf{W \: \propto \: g }}$

Hence , final answer is :

$\boxed{ \bold{W_{B} > W_{A} > W_{C}}}$