harvard university political science

The Universal Law of Gravitation or Newton's Law of Gravitation - Sir Issac Newton gave a mathematical relation to calculate the force of gravitation and this relation is known as the universal law of gravitation. According to this law “Every particle in the universeh..

Sir Issac Newton gave a mathematical relation to calculate the force of gravitation and this relation is known as the universal law of gravitation. According to this law “Every particle in the universe attracts every other particle with a force which is directly proporti..

Question: Why is G called a universal constant? Answer: G is known as universal constant, because its value remains the same throughout the universe..

Everything that exists in our universe is made up of this tiny particle called atom. The computer you are working on is made up of atom..

Water consists of two atoms of hydrogen and one atom of oxygen. It is a universal solvent since it dissolves most of the compound..

Question 1 - Question: Define force of gravitation. Answer: The force of attraction which exists between any two objects in the universe is known as force of gravitatio..

Question: State Newton's law of gravitation. Answer: According to this law, "Every particle in this universe attracts every other particle with a force which is directly proportional to the product of their masses and inversely proportional to the square of the distance betwee..

Question: The force of gravitation between two bodies in the universe does not depend on 1. the distance between them 2. the product of their masses 3. the sum of their masses 4. the gravitational constant Answer: ..

About 70-73% of earth is covered by water. Water is available in the form of oceans, seas, rivers, lakes, ponds, pools, polar ice caps and water vapour. The main component of hydrosphere is water. Water exists in all the three forms i.e., solid (snow), liquid (water) and gas (water vapour). Water i..

A Stone Falling Towards the EarthIt is clear from the above example that it is this force of attraction that holds our complex universe together, keeps the moon revolving around the Earth and holds all the planets in its orbit around the Sun and it is this force which helps us to walk pro..