![]() ![]() Newton’s laws of motion give us the relations between the forces acting on a body and the motion of the body. In around 1698, some twenty years later he presented the three laws of motion. He developed various theories of gravitation when he was only 23 years old. Sir Isaac Newton worked in many areas of mathematics and physics. What is Newton’s Universal Law of Gravitation? Laws of Motion Objects with higher mass resist changes in motion more than objects with lower mass. Inertia is a quality, all the objects/bodies in nature made of matter that possess. The word inertia comes from the Latin word ‘iners’, that means idle or lazy. In Newton’s First Law of Motion, this concept is quantified. This tendency of the body is known as ‘inertia’ (i.e. The tendency of a body in motion continues to remain in motion, moving with uniform velocity and a body at rest continues to remain at rest unless acted upon by a force. What are the different types of Forces? What is Inertia? For example, when an apple falls from the tree an unbalanced force equal to its weight is acting on the apple. moving with changing speed, the net force on it is ‘unbalanced’. When an object is not in equilibrium i.e. For example, the weight of the apple is balanced by the force exerted by the branch on the apple, when an apple hangs from a tree. it’s in equilibrium, the net force acting on it is ‘balanced’. When an object is not moving with changing speed i.e. If there is no interaction, the objects no longer experience the force.įorce is measured in units called Newtons (N), named after the famous scientist Sir Issac Newton. Force only exists as a result of an interaction. In other words both the objects ‘exert force’ on each other. ![]() ![]() Whenever there is an interaction between two objects, the objects experience an equal and opposing force on each other. ‘Force’ is a vector quantity that can be described as a push or pull on an object resulting from the object’s interaction with another object. ![]()
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