Q:
# What did Sir Isaac Newton do?

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The work of Sir Isaac Newton revolutionized science and laid the foundations of modern mathematics and physics. Among his accomplishments are the formulation of the laws of motion and gravitation, the development of calculus and the invention of the first reflecting telescope.

Sir Isaac Newton made many mathematical contributions, including the generalized binomial theorem, Newton's identities, Newton's method and classified plain curves. His insights are the framework of calculus.

Some of Newton's most important work was in the fields of mechanics and physics. He studied gravitation and its orbits on planets. Through his observations and through his derivation of Kepler's laws of motion, Newton at last confirmed the heliocentric model of the cosmos. Moreover, he created the three laws of motion that underscore physics: that an object stays at rest or uniform motion unless acted upon by an outside force; that the rate of change in an object's momentum is equal to the applied force on that object; and that for every action there is an equal and opposite reaction.

Sir Isaac Newton did very important work in the field of optics. By observing that light to a prism refracts different colors from different angles, he determined that color is an intrinsic property of light. He also concluded that objects themselves do not generate color but that color is the result of an object's interaction with already-colored light.

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Q:
## What type of things are not considered matter?

A:Types of things that are not considered matter include any type of energy, and abstract concepts. Everything in the universe that contains mass is made of matter. However, there are several things, such as heat, light and other forms of energy, that are not considered matter because they lack mass.

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Q:
## What is a force multiplier machine?

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Full Answer >**Force multipliers, also known as simple machines, are devices that are able to provide greater output force than input force.**Levers, pulleys, ramps, screws, axles and wedges are all force multipliers that operate using basic physical principles in order to increase output force and make work easier.Filed Under: -
Q:
## What is heavier water or sand?

A:Sand is heavier than water when the volume of both substances is equal. The density of dry sand is between 80 and 100 pounds per cubic foot, whereas water is 62 pounds per cubic foot. The density of water depends on its temperature.

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Q:
## Why does naphthalene sublime easily?

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Full Answer >**Naphthalene sublimes easily because it has a low triple point.**A substance's triple point is the temperature and pressure at which it can exist in all three phases of matter: solid, liquid and gas. Under ordinary atmospheric pressure, naphthalene's triple point is 176 degrees Fahrenheit.Filed Under: