Important Questions on Gravitation
The weight of a body on earth is . What is the weight of the body on moon? 
When a stone is thrown vertically upwards, its velocity is continuously decreased. Why? What is the value of at the centre of earth? State the type of motion shown by a freely falling stone. Is the force of gravity stronger on a piece of iron than on a piece of wood if both has same mass. State the relation between 'g' and 'G'. Two objects of masses and are dropped in vacuum from a height above the surface of earth (). Which one will reach the ground first and why? 
