GIVE ATLEAST 5 EXAMPLES EACH OF NEWTON'S FIRST LAW , SECOND LAW AND THIRD LAW OF MOTION
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Newton's laws of motion
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"Newton's Law" redirects here. For the 2017 Australian TV series, see Newton's Law (TV series).
Newton's laws of motion are three physical laws that, together, laid the foundation for classical mechanics. They describe the relationship between a body and the forces acting upon it, and its motion in response to those forces. More precisely, the first law defines the force qualitatively, the second law offers a quantitative measure of the force, and the third asserts that a single isolated force does not exist. These three laws have been expressed in several ways, over nearly three centuries,[a] and can be summarised as follows:
First law
In an inertial frame of reference, an object either remains at rest or continues to move at a constant velocity, unless acted upon by a force.[2][3]
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: F = ma. (It is assumed here that the mass m is constant – see below.)
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.
The three laws of motion were first compiled by Isaac Newton in his Philosophiæ Naturalis Principia Mathematica (Mathematical Principles of Natural Philosophy), first published in 1687.[4] Newton used them to explain and investigate the motion of many physical objects and systems.[5] For example, in the third volume of the text, Newton showed that these laws of motion, combined with his law of universal gravitation, explained Kepler's laws of planetary motion.
Some also describe a fourth law which states that forces add up like vectors, that is, that forces obey the principle of superposition.[6][7][8]
Overview
Laws
History
Importance and range of validity
Relationship to the conservation laws
See also
Notes
References
External links
Last edited 10 days ago by Dolphin51
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Classical mechanics
branch of physics concerned with the set of classical laws describing the non-relativistic motion of bodies under the action of a system of forces
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Answer:
An astronaut who has their screwdriver knocked into space will see the screwdriver continue on at the same speed and direction forever. There are no forces acting on the screwdriver from friction. With no forces this object will never stop.
Example 2
Unless I am forced I do the same thing.
A box will continue what its doing unless a force is applied.
An object at rest stays at rest.
A box with balanced forces applied continues to do what it is doing.
An object acted upon by balanced forces stays at rest.
A box with unbalanced forces applied will accelerate.
An object acted upon by unbalanced forces changes speed and can change direction.
Example 3
Newton's first law is often referred to as the law of inertia – inertia is an object's tendency to resist changes in motion.
A passenger in a car is thrown forward under braking.
When a car brakes quickly, the passenger will be thrown forward because inertia (the tendency to remain unchanged) tries to keep the passenger moving.
Example 4
The first law explains why you go flying over the handlebars if your bike stops suddenly:
A rider flys over the bikes handlebars when it suddenly stops.
Things tend to keep doing whatever they were doing before.
Example 5
If an object is stationary, it will remain stationary. If the object is moving it will continue to move at the same speed and in the same direction.
A hockey puck on an ice rink.
An object at rest stays at rest.
A puck accelerates across the ice when a force is applied to it with the hockey stick.
An object acted upon by an unbalanced force changes speed and can change direction.
A football heading towards a goal.
An object in motion stays in motion.
Explanation:
Hope it help you.....❤