Unit One The Newtonian Revolution Principia: Three Laws of motion Law of universal gravitation.
Post on 01-Jan-2016
217 Views
Preview:
Transcript
Unit OneThe Newtonian Revolution
Principia: Three Laws of motionLaw of universal gravitation.
Chapter 2Describing Motion
• Speed: average and instantaneous
• Velocity
• Acceleration
• Vectors and Scalars
• Distance and Displacement
• Graphing motion
Speed Average and Instantaneous
Average Speed
Average speed equals the distance traveled divided by the time of travel.
.t
ds
Instantaneous Speed
Let’s Go to Myrtle Beach
2.2 Velocity
Vectors and Scalars
2.3 Acceleration
• Have you experienced acceleration?
• Acceleration is the rate at which velocity changes.
t
vv
t
va 0
Acceleration of a Sports Car
• http://www.cars.com/go/crp/buyingGuides/Story.jsp?section=Sports&story=sportsQuickest&subject=stories&referer=&year=2005
2.4 Graphing Motion
Position and Time DataTime (s) Position (cm)
0 0
5 4.1
10 7.9
15 12.1
20 16.0
Motion Graphs
The 100-m Dash
Uniform Acceleration
Kinematic Equations
top related