Gravitation

Related Questions

• When a body is taken from the equator to the poles, its weight

  ---

• Acceleration due to gravity on moon is 1/6 of the acceleration due to gravity on earth. If the ratio of densities of earth $({\rho _e})$ and moon $({\rho _m})$ is $\left( {\frac{{{\rho _e}}}{{{\rho _m}}}} \right) = \frac{5}{3}$ then radius of moon Rm in terms of Re will be

  ---

• A particle falls towards earth from infinity. It’s velocity on reaching the earth would be

  ---

• If mass of earth is M, radius is R and gravitational constant is G, then work done to take 1 kg mass from earth surface to infinity will be

  ---

• A body weight W newton at the surface of the earth. Its weight at a height equal to half the radius of the earth will be

  ---