Unit 1 - Kinematics
Position-time and velocity-time graphs - Ryland
Constant acceleration on velocity-time and position-time graphs (3.1, 3.2) - Nicole
Equations of motion for constant acceleration (3.1, 3.2, 3.3) - Tyler
Acceleration of gravity (3.4) - Ana
Kinematics in Two Dimensions
Vectors (4.1, 4.2) - Elijah
Relative Motion (4.3) - Sophia
Projectile Motion (4.4) - Parker
Distance vs displacement
You should know :
- The difference between distance and displacement
Distance is the total length traveled
Displacement is the change in position ( Δx = xf - xi )
- The difference between speed and velocity
speed is distance over time
velocity is speed with direction
Distance vs Displacement Video Resources
Speed vs Velocity Video Resources
Selected problems from Pearson Physics:
Page 66, problems 52-57
Page 67, problems 69-73
Equations of motion for zero acceleration
You should know how to:
- Describe position as a function of time
- Calculate motion for zero acceleration
Selected problems from Pearson Physics:
Page 69, problems 92-100
Constant acceleration on velocity-time and position-time graphs
Equations of motion for constant acceleration
Video Resources:
Acceleration of gravity
Video Resources:
Kinematics in two dimensions
Vectors
You should be able to:
- Recognize directions of vectors
- Describe forces and motion as vectors
- Add positive and negative vectors in 2 dimensions, using the “tip to tail” method
- Use trigonometry to find the magnitude of a vector, given an angle
Selected problems from Pearson Physics:
Page 145, problems 57, 60, 68, 70, 73, 75, 78, 84
Relative motion
Projectile motion
You should be able to:
- Split velocity into horizontal and vertical components
- Apply appropriate kinematic equations to horizontal and vertical motion
Video Resources for Projectile Motion:
Selected problems from Pearson Physics:
Page 140, problems 47, 48, 50
Page 146, problems 82, 83, 85-89