Question 163: Gravitation

Question

A mass of 50 kg is placed at the centre of a uniform spherical shell of mass 100 kg and radius 50 m. If the gravitational potential at a point, 25 m from the centre is V kg/m. The value of V is :

Accepted Answer

$${V_A} = \left[ { - {{G{M_1}} \over r} - {{G{M_2}} \over R}} \right]$$
$$ = \left[ { - {{50} \over {25}}G - {{100} \over {50}}G} \right]$$
$$ =  - 4G$$

Answer

$$-$$60 G

Answer

+2 G

Answer

$$-$$20 G

Answer

$$-$$4 G

Gravitation

A mass of 50 kg is placed at the centre of a uniform spherical shell of mass 100 kg and radius 50 m. If the gravitational potential at a point, 25 m from the centre is V kg/m. The value of V is :

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