Newton’s Laws of Motion Physics I Class 04 Newton’s Laws of Motion
Newton’s Laws of Motion
What is a Force?
Forces Are Vectors - Adding Force Vectors
Newton’s First Law
“Consider a body on which no net force acts…”
Under the condition that no net force acts on a body...
Newton’s Second Law “F = ma”
Using Newton’s Second Law to Solve Problems
Free-Body Diagrams
Example Problem in 1D An Elevator Going Down
Newton’s Third Law: “Action and Reaction”
Newton’s Third Law Pairs: How to Recognize Them
Class #4 Take-Away Concepts
Class #4 Problems of the Day
Answer to Problem 1 for Class #4
Class #4 Problems of the Day
Answer to Problem 2 for Class #4
Activity #4 Newton’s Laws in 1D
Class #4 Optional Material Are Newton’s Laws True?
Where Did Newton Go Wrong?
If the Second Law isn’t true, why do we still use it?