SOLAR SYSTEM

UNIVERSE

SATELLITESICY BODIES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Find the force of gravity (Fg) for two objects with:m1 = 100 kgm2 = 1000 kgd = 500 m
A
2.67 * 10-11 N
B
0.4 N
C
6.67 * 10-11 N
D
1.3 * 10-8 N
Explanation: 

Detailed explanation-1: -Gravitational Force = (Gravitational Constant × Mass of first object × Mass of the second object) / (Distance between the centre of two bodies)2.

Detailed explanation-2: -Gravitational force between two objects having masses m1 and m2 is given by F=Gm1. m2r2 N, where G is constant .

Detailed explanation-3: -Calculate the force of gravitation between two objects of masses 50 kg and 120 kg respectively kept at a distance of 10 m from one another. (Gravitational constant, G=6.7×10−11 N−m2/kg−2) Therefore, the gravitation force of attraction between the two masses is 4.02×10−9 N.

Detailed explanation-4: -the gravitational force between two point masses m1 and m2 at separation, r is given by. F=km1m2r2.

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