Question

1. Write the formula for finding the force between the earth and an object on the surface of earth

2. Name the force which is responsible for formation tides?



3. Two bodies of masses m and 5m are dropped from same height in

vacuum. Which one will reach the ground first? ​

Answer 1

Answer:

1. Let the mass of earth = M.

2. Let the mass of the object = m.

3. Distance between the the earth's centre and object = Radius of the earth = R.