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What is the difference between Newton's first law and second law of motion?

Asked by John Adney, Last updated: Feb 19, 2021

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L. Agate

L. Agate

L. Agate
L. Agate

Answered Jan 05, 2021

Newton’s law of motion has different meanings and is easily differentiate. Newton's first law of motion states that any object doing moving or standing still in a place will remain like that unless a force is applied to it.

This means that any object that is still cannot move or have any action unless force is applied to it, or any object in motion cannot change direction unless force is added to it. Objects that fulfill newton's first law is said to be an inertial frame.

The second Newton's law states that the acceleration of an object depends on the mass and net force. It can be said to be the classification of forces. The second law talks more about acceleration, while the first law talks more about motion and direction.

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N. Reyes

N. Reyes

A good writer and orator as well.

N. Reyes
N. Reyes, Writer, B.ed, California

Answered Jan 03, 2021

Issac Newton has three laws of motion. They are referred to as just the First Law of Motion, Second Law of Motion, and the Third law of motion. Other than the name and the order they come in, there are many differences between the First Law of Motion and the Second Law of Motion. One of those differences is related to velocity.

The First Law of Motion states that an object will stay in motion. The only time they won't is if another force acts upon it. This concept is also referred to as the law of inertia. The Second law of motion states that velocity is always constant. This means that the object will move at the same speed and in the same direction.

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W. Kaye

W. Kaye

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W. Kaye
W. Kaye, Ex-Marine, Post Graduate, Chapel Hill

Answered Dec 23, 2020

Newton's first law's simplest form is that the body's velocity remains unaffected unless the body is acted upon by an outside force. The first law of motion suggests that an external force must be employed to change a certain state of an object. In other words, the object is disinclined to change the current state, and this is called the inertia of the object.

Inertia can be recognized as the propensity of an object to remain in its current form. Any frame that fulfills Newton's first law is known as an inertial frame. On the other hand, Newton's second law is the acceleration of a body is parallel and clearly proportional to the net force F and inversely proportional to the mass M. This means that F=k m a. The SI unit system is specified so that k is equal to 1. The equation becomes F=ma in the SI system.

The second law can also be defined as the classification of a force. Force can also be conveyed utilizing momentum. The rate adjustment of momentum is equal to the net force applied upon the object. Since impulse acting or an object is the same as an abrupt momentum change, the force can also be explained using an impulse.

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B. Wright

B. Wright

Always excited to learn and talk about new topics

B. Wright
B. Wright, Analyst, MCA, Boston

Answered Dec 23, 2020

According to Newton’s first law of motion, any object that is just in place or is moving towards one direction will continue doing what it is doing unless any force is applied to it. This means that if an object is leaning against the wall and nothing will be done in order to move it, it will still stay there.

The difference of this with Newton’s second law of motion is that the second law of motion talks about acceleration and not the movement or the direction of the object. According to Newton’s second law, the force that will be applied to the object will be proportional to how fast the object will move.

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F. Daniel

F. Daniel

I work for a California based MNC.

F. Daniel
F. Daniel, Content Optimization Executive, Diploma in Journalism, California

Answered Dec 22, 2020

According to Newton’s first law, any object that comes with no net force may stay at rest when it is not moved and it has not been moving prior. If it is moving, it will continuously move in a straight line unless an extra force will be added to it so that it will move in a different direction.

In the second law, the acceleration of the object will be directly proportional to the net force of the object. It will also be inversely proportional to the mass of the object. Take note that inertia can be related to the mass of an object. This means that the change of motion will be directly proportional to the overall mass of the said object.

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J. Alfie

J. Alfie

I Write for myself and many other clients. Blog post, Article writing and writing for ProProfs is my daily thing.

J. Alfie
J. Alfie, Content Writer, Masters in Literature, Dallas,Texas

Answered Dec 22, 2020

At times, it is possible to confuse Newton's first law and the second law of motion, especially if you don't understand the principles that hold the two laws. Newton's first law of motion states that an object will continue to be in a state of uniform motion unless it is acted upon by an external force.

It means, as long as all the forces acting on an object are balanced, the object will continue to maintain its uniform motion. It also means an object at rest won't move unless an external force works on it. Another name for Newton's first law of motion is the law of inertia.

According to Newton's second law of motion, the acceleration of an object depends on its mass and the net force; it is directly proportional to the net force and inversely proportional to the mass of the object. This means before an object can accelerate, the forces acting on it must become unbalanced.

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Yash Mathers

Yash Mathers

I'm a professional writer. I express through my blog and I keep searching for fresh content over the Internet.

Yash Mathers
Yash Mathers, Content Writer, Diploma in Literature, Austin,Texas

Answered Dec 22, 2020

Newton's First Law of Motion says that an object in motion will stay in motion unless an external force acts on it, and an example would be your hand catching a baseball in flight. Also, if an object is at rest, it will stay there unless a force acts upon it, and again an example would be your hand throwing that baseball. So, it is not only the law of motion is also the law of inertia.

Newton's second law of motion is that the velocity is constant. Constant velocity is shown by an object moving with a constant speed and in the same direction, and an example would be a person walking a straight line at two miles per hour.

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Maxence

Maxence

Have keen interest in writing, traveller by heart.

Maxence
Maxence , Writer, Vienna

Answered Dec 16, 2020

The simplest method of Newton’s first law is the velocity of a body remaining unaffected except when the item is acted upon by an outside force that must be utilized. In other words, the body is unwilling to change the current state, and this scenario is known as the inertia of the object. Inertia can be recognized as the tendency of an object to stay in its current form. Any frame that fulfills Newton’s first law is known as an inertial frame. The first law of motion can be shown as the characterization of inertial frames. The simplest form of the second law is the increase in speed of a body. It is parallel and precisely proportional to net force F and inversely proportional to the mass M. The meaning of this is F=Kma. The SI unit system is defined so that K is equal to 1. Therefore, the equation becomes F=main SI system. The second law can also be momentum is equivalent to the net force applied upon the object since an impulse working on an item is the same as an abrupt momentum change. The force can also be described as employing impulse.
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