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Chapter 1 1
Chapter 1 – kinematics of particles
• Today’s Objective: • 1. Introduction to Dynamics• 2. Basic Concepts
Chapter 1 2
What is Mechanics?
Chapter 1 3
DEFINITIONS
Chapter 1 4
NEWTON’S SECOND LAW
The acceleration of a particle is proportional to the resultant force acting on it and in the direction of this force.
F = ma
Chapter 1 5
UNITS
Units SI U.S.
Mass kilograms (kg) slugs
Length meter (m) foot (ft)
Time seconds (s) seconds (s)
Force newton (N) pound (lb)
Chapter 1 6
VECTORS
Chapter 1 7
VECTORS
Chapter 1 8
VECTORS
Chapter 1 9
VECTORS
Chapter 1 10
VECTORS
Chapter 1 11
RECTILINEAR MOTION
Chapter 1 12
RECTILINEAR MOTION
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