![]() ![]() Law of inertia states that a body continues its state of rest or uniform motion until an external force acts on it. Action and reaction act on different bodies.Īccording to the law of gravitation, every object in the universe attracts every other object with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between the masses.Action and reaction are always opposite to each other.The action and reaction are always equal in magnitude.Forces always occur in pairs, which are called action and reaction forces.This law tells us 4 characteristics of forces: Newton’s 3rd law of motion states that action and reaction are equal but opposite in reaction. The second law of motion states that when a resultant force acts on an object of constant mass, the acceleration will result in the product of its mass and acceleration equal to the resultant force, the direction of the acceleration being in the same direction as that of the resultant force. Newton’s first law also is known as the law of inertia. Ohm’s law states that current flowing in a metallic conductor is directly proportional to the potential difference applied across its ends provided that other physical conditions and temperatures are constant.The mathematical form of this law is expressed as:Īccording to Newton’s 1st law of motion states that Everybody continues in its state of rest or uniform motion in a straight line unless a resultant force acts on it to change in its state. Hydraulic press and Hydraulic Brake is an application of pascal law. Pascal law states that Pressure applied at any point of a liquid at rest is transmitted without loss to all other parts of the fluid. List of 15 important laws of PhysicsĪccording to this Principle, when a body is partially or totally immersed in a liquid, it experiences a thrust force, which is equal to the weight of the liquid displaced by it. The present work is based on a compilation of the different Physics laws that enunciate the different branches of physics trying to show the most important of each of them, in order to condense the principles that essentially describe physics as science and its role in the field of scientific study. ![]()
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