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Why Physics is Called the King of Science

“Physics is known as the king of science as it enables us to grasp the functions of nature. It is the center, or we can say the heart of science,” he stated. He spoke about the transformation of technology and partial physics over 50 years. When Physics became the king of science, it wasn’t easy to prove it with simple theories. It is meant to convince people to believe in those theories.

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Here, we’ll talk about some of the famous laws of physics.

Newton’s laws of motion

Newton’s First Law of Motion

“Newton’s First Law of Motion states that a body at rest or uniform in motion will be at rest or uniform in motion unless an external force is applied to it.”

Newton’s first law of motion indicates that things cannot start, stop, or change direction by themselves, and it requires some external force to cause such changes. This material of large bodies withstands changes in its movement state is called inertia. The first law of motion is also known as the law of inertia. The critical point here is that if no net energy is caused by an unequal force working on an object, the object will maintain a constant speed. If that speed is zero, then the thing is always at rest. And if more external power is used, the speed will change due to power.

Newton’s Second Law of Motion

Newton’s Second Law of Motion states that the acceleration of an object produced by a net force is directly proportional to the magnitude of the net force and inversely proportional to the object’s mass.”

Newton’s second law of motion indicates that happening between the mass of the object when acted upon by an external force. It also states that the force acting upon the object is equal to the product of the mass and the acceleration.

Newton’s third law of Motion

“ Newton’s third law of motion states that for every action there is an equal and opposite reaction.”

To understand the third law of motion we’ll take an example, a bag is resting on a table, This bag uses the weight of a drop equal to its weight on a table. According to the third law of motion, the table uses the same force as against a bag. This power arises because the bag slightly paralyzes the table; as a result, the table slides back into the bag like a folded spring. Newton’s third law of motion demonstrates energy conservation.

Kepler’s Law

Kepler First Law

“It states that all the planets revolve around the sun in elliptical orbits having the sun at one of the foci.” It is the characteristic of the ellipse, the sun from any two distances from the same foci is the same.

Kepler Second Law

“It states that the radius vector is drawn from the sun to the planets sweeps out equal areas in equal intervals of time.” Since the cycle is not circular, the kinetic energy of the planet does not always remain in its orbit. It has additional kinetic energy near the perihelion and small kinetic forces near the aphelion suggest increased speed in the perihelion and a lower velocity (v) in the aphelion.

Kepler Third Law

“It states that the square of the time of the revolution of the planet around the sun in an elliptical orbit is directly proportional to the cube of its semi-major object.”

It shortens the planet’s orbit around the sun, shortening the time it takes to complete a single orbit. Applying the principles of Newton’s law of gravitation and motion laws,


There’re some aspects from our side to prove why physics is known as the king of science. There’re many more parameters if look at the history of physics clearly. More than just finding the theories, they also believe in finding out if the theories are correct or not.

Also check out: Why is it Important to Solve NEET Previous Year Question Papers?



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Aadi Narayan

Aadi Narayan

Hi, I’m Aadi Narayan Education Expert at (Physics Wallah), The most affordable learning platform that cares about you. Let’s make Physics and Chemistry easy…