1D Kinematics
AP Physics 1 • Unit 16-8.5%
The study of motion in one dimension, including position, velocity, and acceleration. This foundational unit introduces the mathematical tools needed to describe how objects move along a straight line.
Core Concepts
- Position, displacement, and distance – understanding the difference between scalar and vector quantities
- Velocity and speed – average vs instantaneous, and how to interpret motion graphs
- Acceleration – constant acceleration problems and motion diagrams
- The kinematic equations – from the first to all four equations and how they relate
- Free fall – motion under gravity with g ≈ 9.8 m/s²
- Motion diagrams and graphs – interpreting x-t, v-t, and a-t graphs and calculating from them
Key Equations
Real-World Applications
- →Analyzing car braking distances
- →Calculating drop times and launch velocities
- →Understanding elevator motion
- →Pursuit problems – when does one catch another?
Topic Map
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