Gravitational force on the surface of the moon is only 1/6 as strong as gravitational force on the Eart

Let be the mass of the Earth and m be the mass of an object on its surface. If R is the radius of the Earth, then according to...

According to the universal law of gravitation, gravitational force exerted on an object of mass m is given by  = / 2   Where,  Mass of Earth, M = 6 × 1024 kg  Mass...

According to the universal law of gravitation, two objects attract each other with equal force, but in opposite directions. The Earth attracts the moon with an equal force with which...

The Earth and the moon experience equal gravitational forces from each other. However, the mass of the Earth is much larger than the mass of the moon. Hence, it accelerates...

Correct Answer is: (d)  Sound is transmitted by particles (atoms or molecules) in a solid, liquid or gas colliding with each other. It is a wave which is created by vibrating...

Yes, you wrote right.

Tidal effect depends inversely upon the cube of the distance while, gravitational force depends inversely on the square of the distance. Since the distance between the Moon and the Earth is...

(c) B is correct but A is wrong. EXPLANATION:  (A) is not correct because the gravitational potential inside the shell is constant =-GM/a, where a is the radius of the shell. As...

(b ) ​U>K. EXPLANATION:  Let the mass of the moon = m, velocity v and its distance from the earth = a.   v = √(GM/a), K.E. = K = ½mv² = ½m*GM/a  →GMm/a = 2K  The...

All of these EXPLANATION:  Consider a thin spherical shell and choose r = infinity where potential is zero. At infinity V = 0, E = 0. So (a) is true. At any point outside...