Question

gadget based on newton first,second and third explain in long​

Answer 1

An air hockey table, which reduces friction by suspending the puck on a cushion of air, so that it’s motion is much less altered by friction, causing it to glide in a straight line at relatively constant velocity across the table.

The classic trick of quickly pulling a smooth tablecloth from beneath a dining table place setting (plates, glasses, silverware, etc.) while causing little shift in the settings upon the table.

Seat belts, as mentioned in another response (installed so as to prevent injuries that would otherwise take place in a vehicle collision due to Newton’s first law of motion).

Newton’s second law is a quantitative description of the changes that a force can produce on the motion of a body. It states that the time rate of change of the momentum of a body is equal in both magnitude and direction to the force imposed on it. The momentum of a body is equal to the product of its mass and its velocity. Momentum, like velocity, is a vector quantity, having both magnitude and direction. A force applied to a body can change the magnitude of the momentum, or its direction, or both. Newton’s second law is one of the most important in all of physics. For a body whose mass m is constant, it can be written in the form F = ma, where F (force) and a (acceleration) are both vector quantities. If a body has a net force acting on it, it is accelerated in accordance with the equation. Conversely, if a body is not accelerated, there is no net force acting on it.


immovable object versus unstoppable force
A lesson proving immovable objects and unstoppable forces are one and the same.
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Newton’s third law states that when two bodies interact, they apply forces to one another that are equal in magnitude and opposite in direction. The third law is also known as the law of action and reaction. This law is important in analyzing problems of static equilibrium, where all forces are balanced, but it also applies to bodies in uniform or accelerated motion. The forces it describes are real ones, not mere bookkeeping devices. For example, a book resting on a table applies a downward force equal to its weight on the table. According to the third law, the table applies an equal and opposite force to the book. This force occurs because the weight of the book causes the table to deform slightly so that it pushes back on the book like a coiled spring.

Newton’s laws first appeared in his masterpiece, Philosophiae Naturalis Principia Mathematica (1687), commonly known as the Principia. In 1543 Nicolaus Copernicus suggested that the Sun, rather than Earth, might be at the centre of the universe. In the intervening years Galileo, Johannes Kepler, and Descartes laid the foundations of a new science that would both replace the Aristotelian worldview, inherited from the ancient Greeks, and explain the workings of a heliocentric universe. In the Principia Newton created that new science. He developed his three laws in order to explain why the orbits of the planets are ellipses rather than circles, at which he succeeded, but it turned out that he explained much more. The series of events from Copernicus to Newton is known collectively as the scientific revolution.

In the 20th century Newton’s laws were replaced by quantum mechanics and relativity as the most fundamental laws of physics. Nevertheless, Newton’s laws continue to give an accurate account of nature, except for very small bodies such as electrons or for bodies moving close to the speed of light. Quantum mechanics and relativity reduce to Newton’s laws for larger bodies or for bodies moving more slowly.

Answer 2

You can relate infinitely many things in daily life to cite Newton's laws of motion.

You ride a vehicle. The road provides a frictional force against your motion. You stop after some distance. Newton's first law(every object in a state of rest will continue to be in rest and everything in the state of motion will continue to be in motion until and unless an external unbalanced force acts on it) . Frictional force is the external unbalanced force here.

You broke two boards with hands. One with low force and another with more force. The second board breaks. Newton's second law (The magnitude of force is directly proportional to the acceleration produced.)

You walk on your foot. You actually give force to the ground (action). And the ground gives another force (reaction). This is Newton's third law (every action has an equal and opposite reaction.)

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Hope this is helpful to you!