At which place on the earth's surface the gravitational acceleration in minimum? Why?

At which place on the earths surface in the gravitational acceleration maximum? Why?

Define Earth's gravitational acceleration

The value of gravitational accelerationg at a height h above the earth's surface is 0ne forth the value of gravitational acceleration at surface ,then (R = radius of earth)

Define Earth's gravitational force

Discuss the variation of g with depth and derive the necessary formula. OR Show that the gravitational acceleration due to the earth at a depth d from its surface is g_d= g[1- frac(d)(R)] , where R is the radius of the earth and g is the gravitional acceleration at the earth's surface. OR Discus the variation of acceleration due to gravity with depth 'd' below the surface of the earth OR Derive an expression for acceleration due to gravity at depth 'd' below the surface of earth

What is the variation in acceleration due to gravity with altitude? OR Derive an expression for the gravitational acceleration at an altitude h above the earth. OR Show that the gravitional acceleration at a height h above the surface of the earth is (in usual notations) g_h = g (frac(R)(R + h)^2)

As we go above the earth's surface , the value of acceleration due to gravity increases.

Solve the following examples / numerical problems: A body of mass 20 kg is at rest on the earth's surface. (i) Find its gravitational potential energy. (ii) Find the kinetic energy to be provided to the body to make it free from the gravitational influence of the earth. (g=9.8 m/s^2, R=6400km)

A body weighs 81 N on the surface of the earth. What is the gravitational force on it due to earth at a height equal to half the radius of the earth from the surface ?

State whether the following statements are True of False,Correct the false statement . The gravitational acceleration does not become zero at the centre fo the Earth