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Physics
What are newtons 3 laws of motion?
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Newton’s three laws of motion are fundamental principles that describe the relationship between the motion of objects and the forces acting upon them. These laws were formulated by Sir Isaac Newton in the late 17th century and laid the foundation for classical mechanics. The three laws are as follows:
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Newton’s First Law of Motion (Law of Inertia):
- “An object at rest will remain at rest, and an object in motion will continue to move at a constant velocity unless acted upon by an external force.”
- This law states that an object will maintain its state of motion (either at rest or in motion with a constant velocity) unless an external force acts upon it.
- In other words, an object will resist changes in its motion, known as inertia.
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Newton’s Second Law of Motion (Law of Acceleration):
- “The acceleration of an object is directly proportional to the net force applied to it and inversely proportional to its mass.”
- This law mathematically relates the acceleration of an object to the net force applied to it and its mass.
- The formula for this law is: F = m * a, where F represents the net force applied, m represents the mass of the object, and a represents the acceleration produced.
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Newton’s Third Law of Motion (Law of Action and Reaction):
- “For every action, there is an equal and opposite reaction.”
- This law states that when one object exerts a force on a second object, the second object exerts an equal and opposite force on the first object.
- Forces always occur in pairs, and these forces act on different objects, not on the same object.
Overall, these laws provide a comprehensive framework for understanding the relationship between forces and motion. They form the basis for studying and analyzing the behavior of objects in motion, whether it is the motion of celestial bodies, vehicles, or everyday objects.
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