Calculate the gravitational force due to the Earth on Mahendra,if mass of Earth is `6xx10^24`kg,Radius is `6.4xx10^6m,g=9.77m//s^2` and mass of Mahendra is 75 kg .

Calculate the value of the universal gravitational constant from the given data. Mass of the Earth = 6xx10^24 kg, Radius of the Earth = 6400 km and the acceleration due to gravity on the surface = 9.8 m//s^2

What is the gravitational potential due to the Earth at a point which is at a height of 2RE above the surface of the Earth, Mass of the Earth is 6xx10^24 kg, radius of the Earth = 6400 km and G = 6.67xx10^(-11) Nm^2 kg^(-2) .

Solve the following examples / numerical problems: Find the magnitude of the gravitational force between the Sun and the earth.( Mass of the Sun =2xx10^30 kg, mass of the earth = 6xx10^24 kg and the distance between the centres of the Sun and the earth = 1.5xx 10^11 m, G =6.67 xx10^-11 N-m^2 /kg^2 ).

Calculate and compare the electrostatic and gravitational forces between two protons which are 10^-15 m apart. Value of G = 6.674 xx 10^-11 Nm^2//kg^2 and mass of the proton is 1.67 xx 10^-27kg.

Calculate the value of acceleration due to gravity on the surface of Mars if the radius of Mars = 3.4 xx 10^3 km and its mass is 6.4 xx 10^23 kg.

Calculate the force required to produce an | acceleration of 0.2 m/s^(2) in a body of mass 10 kg.

The gravitational force of attraction between Earth and Venus, if the distance between them is 2.5xx10^(7) km, is [mass of Venus = 4.8xx1^(24) kg, mass of the Earth =6xx10^(24) kg

Calculate the speed of a satellite in an orbit at a height of 1000 km from the Earth's surface. M_E = 6 xx 10^24 kg R_E = 6.4 10^6 m

Calculate the work done to take an object of mass 20 kg to a height of 10 m. (g = 9.8 m/s2)