Question

What are the 3 laws of motion? How laws are formed ?​

Answer 1

Explanation:

The laws are:

• Every object in a straight line unless acted upon by a force.
• The acceleration of an object is directly proportional to the net force exerted and inversely proportional to the object's mass.
• For every action, there is an equal and opposite reaction.

The legislative process begins with the introduction of a bill in either house of Parliament, i.e. the Lok Sabha or the Rajya Sabha. A bill can be introduced either by a minister or by a private member. In the former case it is known as a government bill and in the latter case it is known as a private member's bill.

Answer 2

Three laws of motion are as follows:→

1. An object either remains at rest or continues to move at a constant velocity, unless it is acted upon by an external force.
2. The rate of change of momentum of an object is directly proportional to the force applied, or, F∝m(v-u)
4. When one object exerts a force on a second object, that second object exerts a force that is equal in magnitude and opposite in direction on the first object.

Important Information: The three laws of motion were first compiled by Isaac Newton in his Philosophiæ Naturalis Principia Mathematica (Mathematical Principles of Natural Philosophy), first published in 1687. Newton used them to explain and investigate the motion of many physical objects and systems, which laid the foundation for Newtonian mechanics.

→ Newton's First Law is result of Galileo's experiment on Inertia of a body. Inertia is the physical force that keeps things where they are or keeps them moving in the direction they are travelling. Newton just added a phrase ‘unless acted upon by an external force’ in the initial definition of Inertia.

→ Newton's Second Law give us formula for force.

Mathematically,

$F∝ \frac{dp}{dt} \\ F∝m \frac{d( {v} - {u})}{dt} \\ F∝ma \\ F = kma \\ since \: k = 1 \\ F = ma$

→ Newton's Third Law let us know about action-reaction forces. They always act on different body.

Hope It Helps :)

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