Review of Chapters 1, 2, and 3 Motion diagrams – both physical and pictorial representations Difference between instantaneous and average velocities Meaning of Slope and importance of its sign Read and interpret graphs

• Velocity from a position versus time graph• Position from a velocity versus time graph• Acceleration from a velocity versus time graph• Velocity from a acceleration versus time graph

Difference between component vectors, and components of a vector

Adding vectors by its components and their graphical representation

Law of cosines

Instantaneous vs. average

t

s

Position, acceleration from velocity versus time graph

Velocity from Position versus time graph

Velocity from acceleration versus time graph

Magnitude of Velocity(negative, zero, positive)

V=0Positive slope

Velocity is positive if slope is positive

Vectors and Coordinate Systems

Difference between component vectors and components of a vector

Representation of a vector by its components

Addition of two vectors and representing them graphically

Finding the direction of resultant vector – law of cosines