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What is Newton's First Law of Motion- [Definition,Examples, Formula]

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Many a times question arises that what is Newton's first law of motion- Definition, Examples and what is its formula.  Our Today discussion about the newtons first law of motion. Let's start. Newton's laws of motion. Sir Isaac Newton (1642-1727) made a systematic study of motion and extended the ideas of Galileo. He arrived at three laws of motion which are called Newton's laws of motion.  What is Newtons First Law of Motion? This law consists of three parts: First part says that a body at rest continues in its state of rest. An external force has to be applied on it to make it move. A chair lying on the floor will continue to remain there unless we displace it. Second part says that a body in motion continues moving in a straight path with a uniform speed. This part seems to be contrary to our everyday experience. A rolling ball comes to rest on a rough ground. This is because of the force of friction. The ball moves through a larger distance on a smooth floor...
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Momentum: Definition [formula,units,equation,linear momentum,examples]

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By the end of this article, you should be able to define Wh at is linear momentum, definition, formula,  units, equation, describe the movement of objects. Let's discuss one by one. What is Momentum- Definition (Linear Momentum) It is the quantity of motion contained in the body.  Here's the key fact, All moving objects have momentum. But if an object is not moving its momentum is zero. Motion in a body can be produced or destroyed by applying force on it. Momentum is denoted by letter "p" Q -  A car has a mass of 1000 kilograms and it is not moving. What is a momentum (p) of the car?  Answer - In this case, the car's not moving and remember the objects that are not moving have a momentum of zero. The force required to start or stop a moving body depends upon. Mass of the Body -   When a ball and a big piece of stone are allowed to fall from the same height, we find that a much greater force is required to stop the big piece of stone than the ball. Thus la...
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