The Universal Law of Gravitation
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..
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..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 universe attracts every other particle with a force which is directly proporti..
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 3
Question: Why is G called a universal constant? Answer: G is known as universal constant, because its value remains the same throughout the universe..
Structure of the Atom
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
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 gravitation..
Mass of a body
is defined as the amount of matter contained in it. The SI unit of mass is kilogram (kg). Mass is a scalar quantity. The amount of matter contained in a body does not change with time or from place to place i.e., mass of a body remains the same throughout the universe. However, two d..
Matter and its Forms
Take a look at your surroundings. You may find a pencil, a book, an apple, a table or a chair. Can you feel the air blowing? These are different forms of matter. One or more of our senses can recognize these. These objects possess mass, occupy space and have different shapes, sizes and colours. Al..
Question 18
Question: Mass remains ______ throughout the universe. 1. varies 2. zero 3. constant 4. negative Answer: ..
Water
Water - 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)...
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