In terms of Physics, if the body is acted upon by a resultant force such that the forces’ vector sum is zero, its velocity will be constant. They did not consider the force of gravitation, friction, and air resistance. Before Newton proposed his theory, people assumed that objects slow down after a while because of their natural built-in tendency. So, Newton’s first law of motion explained why objects slow down. So, if nothing happens to the body at rest, it won’t go elsewhere, and if it is moving in a certain direction, it will continue to move unless something happens to it. The statement means that a body in motion will not change its direction or decrease/increase its speed without being influenced by an unbalanced force. Understanding Newton’s First Law of Motion What is Force? How is it Different from Net ForceĪccording to the first law of motion, a body at rest or in motion stays in the same state unless acted on by an external force.What is Newton’s first law of motion? The following article explores Newton’s first law of motion examples to provide a complete understanding of the concept. Isaac Newton established the laws and brought clarity to physical systems and phenomena. They explain everything from how an object stays at rest to how it gets into motion, gains speed, overcomes opposite forces or surrenders to them. Newton proposed three laws of motion in 1687 that constitute the base of classical mechanics.
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