Question

$\pink\mathfrak{what\:is\:law\:of\:motion?}$​

Answer 1

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= > Laws of motion relate an object's motion to the forces acting on it. .

Newton's laws of motion are three physical laws that, together, laid the foundation for classical mechanics.

● First Law :- In an inertial frame of reference, an object either remains at rest or continues to move at a constant velocity, unless any external force is acted upon it.

● Second Law :- In an inertial frame of reference, the vector sum of the forces F on an object is equal to the mass m of that object multiplied by the acceleration a of the object. i.e. F = m×a.

● Third Law :- When one body exerts a force on a second body, the second body simultaneously exerts a force equal in magnitude and opposite in direction on the first body.

♢ Importance Of These Laws

These three laws hold to a good approximation for macroscopic objects under everyday conditions.However, Newton's laws are inappropriate for use in certain circumstances, most notably at very small scales, at very high speeds, or in very strong gravitational fields.

¤ Some also describe a fourth law which states that forces add up like vectors, that is, that forces obey the principle of superposition.¤

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Answer 2

Explanation:

Newton's laws of motion are three physical laws that, together, laid the foundation for classical mechanics.

● First Law :- In an inertial frame of reference, an object either remains at rest or continues to move at a constant velocity, unless any external force is acted upon it.

● Second Law :- In an inertial frame of reference, the vector sum of the forces F on an object is equal to the mass m of that object multiplied by the acceleration a of the object. i.e. F = m×a.

● Third Law :- When one body exerts a force on a second body, the second body simultaneously exerts a force equal in magnitude and opposite in direction on the first body.