GRAVITATION - Topic Wise Multiple Choice Questions (MCQ)
Cracktest Topic Wise free Gravitation MCQ with solutions for 11th 12th exam Practice Multiple Choice Questions and answer for JEE-mains State CET Engineering Entrance GATE free Online Test
6 )
Correct form of gravitational law is
Select correct option from the following options
(A) F = – [(Gm1m2) / r2]
(B) F➙ = – [(Gm1m2) / r2]
(C) F➙ = – [(Gm1m2) / r2] r̂
(B) F➙ = – [(Gm1m2) / r3] r➙
7 )
Mass M is divided into two parts xM and (1 – x) M. For a given separation, the value of x for which the gravitational force between the two pieces becomes maximum is
8 )
The earth (mass = 6 × 1024 kg) revolves around the sun with angular velocity 2 × 10–7 rad/sec in a circular orbit of radius 1.5 × 108 km. The force exerted by the sun on the earth is = ………… N
Select correct option from following options
(A) 18 × 1025 (B) zero
(C) 27 × 1039 (D) 36 × 1021
9 )
Two particle of equal mass go round a circle of radius r. Under the action of their mutual gravitational force. The speed of each particle is = …………..
10 )
The distance of the moon and earth is D the mass of earth is 81 times the mass of moon. At what distance from the center of the earth, the gravitational force will be zero