Advertisements
Advertisements
Question
Name the scientist who explained the motion of planets on the basis of gravitational force between the sun and planets.
Solution
Sir Isaac Newton explained the motion of planets on the basis of gravitational force between the sun and the planets.
APPEARS IN
RELATED QUESTIONS
Name the scientist who gave the three laws of planetary motion.
What name has been given to the force with which two objects lying apart attract each other ?
What is the free fall?
The mass of the earth is 6 × 1024 kg. The distance between the earth and the sun is 1.5 × 1011 m. If the gravitational force between the two is 3.5 × 1022 N, what is the mass of the sun? Use G = 6.7 × 10–11 N m2 kg–2
An object is thrown vertically upwards with a velocity u, the greatest height h to which it will rise before falling back is given by :
The weight of an object at the centre of the earth of radius R is :
The value of quantity G in the formula for gravitational force:
The gravitational force of attraction between two objects is x. Keeping the masses of the objects unchanged, if the distance between the objects is halved, then the magnitude of gravitational force between them will become :
An apple falls from a tree because of gravitational attraction between the earth and the apple. If F1 is the magnitude of the force exerted by the earth on the apple and F2 is the magnitude of the force exerted by the apple on earth, then
Give scientific reasons.
Any object on earth falls vertically downward and not at an angle to the vertical; nor fly off in a horizontal direction.
