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For Laws of Motion

Newton's Laws of Motion, published by Sir Isaac Newton in 1687, are fundamental principles that describe the relationship between force and motion. They include the laws of inertia, acceleration, and action-reaction, which explain how objects move and react to forces. These laws are crucial for understanding various physical phenomena and have applications in engineering, physics, and everyday life.

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71 views7 pages

For Laws of Motion

Newton's Laws of Motion, published by Sir Isaac Newton in 1687, are fundamental principles that describe the relationship between force and motion. They include the laws of inertia, acceleration, and action-reaction, which explain how objects move and react to forces. These laws are crucial for understanding various physical phenomena and have applications in engineering, physics, and everyday life.

Uploaded by

yc0313749
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© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PPTX, PDF, TXT or read online on Scribd
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Newton's

Laws of
Motion
• Developed by Sir Isaac Newton,
these fundamental was
published in "Philosophiae
Naturalis Principia Mathematica"
in 1687 laid the groundwork for
classical mechanics and our
understanding of motion.
What Are Newton's Laws of
Motion?
1 2 3

Three Core Explaining Everyday


Principles Movement Phenomena

These laws describe the They clarify how objects The laws provide a
fundamental relationship move and react when basis for understanding
between force and subjected to forces. common physical
motion. events around us.
Newtons First Law : The
Inertia
What is Inertia?
An object maintains its state of rest or
uniform motion in a straight line unless an
external force compels it to change that
state.
In the context of elementary or introductory
physics, inertia is often described as having
three main types:
• Inertia of rest: The tendency of an object
to stay at rest unless an external force acts
on it.
• Inertia of motion: The tendency of an
object to remain in uniform motion
(constant speed and direction) unless an
external force acts on it.
• Inertia of direction: The tendency of an
Newton's Second Law:
Law of Acceleration
F=m×
a
Force is directly proportional to the mass of an
object and its acceleration. This means a greater
force results in greater acceleration.

Net Force: Mass Matters: Example: Doubling


A net force applied The acceleration is Mass:
to an object causes inversely If you double the
proportional to the mass of an object,
it to accelerate in you'll need to double
object's mass.
the direction of the the applied force to
Heavier objects
Newton's Third Law:
Action and Reaction

•Newton's third law of motion states that for


every action, there is an equal and opposite
reaction. This means that when one object
exerts a force on another object, the second
object exerts an equal force back on the first
object, but in the opposite direction.
•For example: When a rocket launches. The
engine expels hot gas downwards (action),
and in reaction, the gas pushes the rocket
upwards.
Conclusi
 on
Newton’s Laws help us
understand and predict the
motion of objects.
 Essential in engineering,
physics, sports, and daily life.

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