chapter 5 by robert mackay. newtons law of action reaction (3rd law) you can not touch without being...
TRANSCRIPT
Chapter 5
by Robert MacKay
Newton’s Law of Action Reaction (3rd Law)
• You can not touch without being touched
For every action force there is and equal and oppositely directed reaction force
Newton’s 2nd Law Free Body diagrams
A rock in Free Fall
Newton’s 2nd Law Free Body diagrams
A rock in Free Fall
w
Free Body diagramsA rock At the top of its parabolic trajectory (no air resistance)
Free Body diagramsA rock At the top of its parabolic trajectory (no air resistance)
w
Newton’s 2nd Law Free Body diagrams
A rock in Free Fall
w
Newton’s 2nd Law Free Body diagrams
A rock Falling with air resistance
Newton’s 2nd Law Free Body diagrams
A rock Falling with air resistance
w
R
Newton’s 2nd Law Free Body diagrams
A rock on a string
Newton’s 2nd Law Free Body diagrams
A rock on a String
w
T
For the FBD is acceleration, a, up or down ?
Newton’s 2nd Law Free Body diagrams
A rock sliding without friction
Vo
Newton’s 2nd Law Free Body diagrams
A rock sliding without friction
w
N
Newton’s 2nd Law Free Body diagrams
A rock sliding with friction
Newton’s 2nd Law Free Body diagrams
A rock sliding with friction
wW=mg
N
Fk +x
+y