what is the three laws of motion and who discovered it ?
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Answer:
The First Law of Motion states, "A body at rest will remain at rest, and a body in motion will remain in motion unless it is acted upon by an external force."
The Second Law of Motion describes what happens to a massive body when it is acted upon by an external force. It states, "The force acting on an object is equal to the mass of that object times its acceleration."
The Third Law of Motion states, "For every action, there is an equal and opposite reaction."
It was discovered by Isaac Newton
Sir Isaac Newton is a well-known and influential scientist who lived from the mid 1600s to the early 1700s. He is maximum regarded for his Universal Law of Gravity and Three Laws of Motion.
The three laws of motion -
1) Newton's First Law of Motion (Law of Inertia)
2) Newton's Second Law of Motion (Law of Mass and Acceleration)
3) Newton's Third Law of Motion
1. Newton's First Law of Motion (Law of Inertia)
Galileo stated that pace isn't always always 0 if there's no pressure; it's far acceleration that's 0 if there's no pressure. This concept turned into restated through Newton's first regulation of movement, from time to time known as the regulation of inertia.
Inertia is a belongings of a frame that has a tendency to keep that frame's country of relaxation whilst it's far at relaxation or to preserve a frame's movement whilst it's far in movement. The mass of the frame is a degree of its inertia.
Example: Consider a passenger status on a bus this is going for walks at a regular pace alongside a immediately highway. When the motive force all of sudden steps at the brakes, the passenger is thrown forward. According to Newton's first regulation of movement, the passenger keeps his country of regular pace except acted upon through an outside pressure. To keep away from being thrown forward, the passenger attempts to comprehend part of the bus to keep him back.
2. Newton's Second Law of Motion (Law of Mass and Acceleration)
The 2nd of Newton's 3 legal guidelines of movement is likewise referred to as the regulation of mass and acceleration.
The equation F = ma might be the maximum-used equation in mechanics. It states that the internet pressure on a frame is same to the mass elevated through the acceleration. The equation is legitimate supplied right devices are used for the pressure, the mass, and the acceleration. Both facets of the equation contain vector quantities. It is implied that they need to have the equal course in which the acceleration is the equal course because the carried out pressure. Since the acceleration is withinside the equal course because the alternate in pace, it follows that the alternate in pace because of the carried out pressure is likewise withinside the equal course because the pressure.
3. Newton's Third Law of Motion
Newton's first legal guidelines of movement refers to single bodies. These legal guidelines are legal guidelines of movement.
Newton's third law of movement posits that for each pressure carried out, there's continually an same and contrary response. Or, if one frame exerts a pressure on another, the second one frame exerts an same and contrary pressure at the first. It isn't always feasible to exert a pressure on a frame with out a response, and the response exerted through the frame is precisely same to the pressure being carried out to the frame, neither extra nor less.
It need to be stored in thoughts in these kind of examples that the motion and response forces are carried out to one of a kind bodies (box/table, hammer/peg, etc.).
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