Question

explain newton first law​

Answer 1

Explanation:

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IntroductionSir Isaac Newton published three laws in the 17th century. In this article, we are going to talk about Newton’s 1st law. This law does an introduction of motion of the object and the force acting on it. What is Newton’s First Law of Motion?Newton’s first law states thata body remains in the state of rest or uniform motion in a straight line unless and until an external force acts on it.Putting Newton’s 1st law of motion in simple words, a body will not start moving until and unless an external force acts on it. Once it is set in motion, it will not stop or change its velocity until and unless some force acts upon it once more. The first law of motion is sometimes also known as the law of inertia.There are two conditions on which the 1st law of motion is dependent:Objects at rest: When an object is at rest velocity (v= 0) and acceleration (a = 0) are zero. Therefore, the object continues to be at rest.Objects in motion: When an object is in motion, velocity is not equal to zero (v ≠ 0) while acceleration (a = 0) is equal to zero. Therefore, the object will continue to be in motion with constant velocity and in the same direction.

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Answer 2

Newton's first law of motion:

if the vector sum of all the forces acting on a particle or body is zero then and only the particle or a body is an accelerated

(or)

everybody continuous to be in its state of rest or of uniform motion unless it is acted upon by the same external force to change that state

•Newton's first law is known as the law of inertia

•Newton's first law defines force and inertia

•From the Newton's first law F(net)=0⇒a=0