Summary
Summary LAWS OF MOTION
- Course
- FSK 116 : Physics
- Institution
- University Of Pretoria (UP)
Summary of 56 pages for the course FSK 116 : Physics at UP (NOTES.)
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The Laws of Motion,The Laws of Motion
The description of an object in motion included its position, velocity, and
acceleration.
There was no consideration of what might influence that motion.
Two main factors need to be addressed to answer questions about why the
motion of an object will change.
Forces acting on the object
The mass of the object
Dynamics studies the causes of motion.
Will start with three basic laws of motion
Formulated by Sir Isaac Newton
Introduction
,Sir Isaac Newton
1642 – 1727
Formulated basic laws of mechanics
Discovered Law of Universal
Gravitation
Invented form of calculus
Many observations dealing with light
and optics
Section 5.1
, Force
Forces in everyday experience
Push on an object to move it
Throw or kick a ball
May push on an object and not be able to move it
Forces are what cause any change in the velocity of an object.
Newton’s definition
A force is that which causes an acceleration
Section 5.1
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