all the 3 laws of newtons with explanation and examples please
Answers
Answer:
Newton's Three Laws of Motion. Newton's three laws of motion may be stated as follows: Every object in a state of uniform motion will remain in that state of motion unless an external force acts on it. Force equals mass times acceleration [ ]. For every action there is an equal and opposite reaction.
Newton's laws of motion are three physical laws that, together, laid the foundation for classical mechanics. They describe the relationship between a body and the forces acting upon it, and its motion in response to those forces.
Explanation:
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Answer:
Newton’s first law states that a body only varies its speed if an external force acts on it. Inertia is the tendency of a body to continue as it is.
According to this first law, a body cannot change its state by itself; for it to come to rest (initial velocity: 0) or uniform rectilinear motion, it is necessary for some force to act on it.
Therefore, if no force is applied and a body is in a state of rest, it will remain so; if a body was in motion, it will continue to be in uniform motion at a constant speed.
For example A man leaves his car parked outside his house. No force acts on the car. The next day, the car is still there.
Newton’s second law states that there is a relationship between the force exerted and the acceleration of a body. This relationship is direct and proportional, that is, the force exerted on a body is proportional to the acceleration it will have.
For example Juan is 10 years old. The more force Juan applies when kicking the ball, the better the chance that the ball will cross half the court.
Newton’s third law states that when one body exerts a force on another, the latter responds with a reaction of equal magnitude and direction but in the opposite direction. The force exerted by the action corresponds to a reaction.
For example: When a man stumbles over a table, he will receive from the table the same force that he applied with the blow.
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