Who was the first man to come up the idea of gravity? When Isaac Newton was trying to solve the mystery why planets revolve around the Sun? When Isaac Newton was trying to solve the mystery why planets revolve around the Sun, what fall from the tree under which he was sitting? Which idea was flashed in the mind of Newton when he saw an apple falling from the tree? Who concluded that the force which causes an apple to fall on the Earth and the force which keeps the moon in its orbit are of the same nature?
How many times satellites of GPS revolve around the earth?, A polar satellite is launched at 850 km above Earth. Find its orbital speed?, The acceleration due to gravity on the surface of moon is 1.62 ms-2. The radius of moon is 1740 km. Find the mass of moon?, What is the force of earth called that is acting on the body whether the body is in contact with the Earth or not?
What is the gravitational field strength near the surface of the earth?, The value of g is 4.0 ms-2 at a distance of 10000 km from the centre of the Earth. Find the mass of the Earth?, With increase in which of the following, the weight of body decreases?