ap physics 1 - 2019 frq: rotational motion & torque
originally streamed in 2020 with Peter AppsTeachercurriculum note
This video references an exam format with only two FRQ questions, which was specific to the COVID-modified 2020 AP exam ā not the standard format. The current AP Physics 1 exam has a different FRQ structure, so rubric and timing guidance here may be outdated.
covered in this stream
timestamps
- 0:00
Elevator Forces Introduction
- 0:32
Forces in Elevator
- 1:03
Gravity and Normal Force
- 3:10
Feeling Weightless
- 5:21
Accelerating Upwards
- 6:24
No Acceleration Case
- 6:55
Accelerating Downwards
- 7:25
Example Calculation
- 9:30
Elevator Questions
- 10:02
2019 FRQ Overview
- 10:33
Question 1 Setup
- 12:37
Speed Graph Sketch
- 14:42
External Forces Analysis
- 15:44
Graph Explanation
- 17:30
Part A Scoring
- 21:31
Part B Sphere Momentum
- 22:36
Torque on Sphere
- 23:42
Friction vs Plunger
- 25:27
Torque Reasoning
- 28:56
Question 2 Introduction
- 29:26
Qualitative Quantitative
- 30:58
Mass A Larger
- 35:00
Mass A Smaller
- 37:41
Free Body Diagrams
- 42:59
Derive Acceleration Equations
- 47:22
Support for Small Mass
- 49:42
Heavy Pulley Effect
- 54:08
Pulley Derivation
- 56:15
Tension Comparison
- 58:28
Session Conclusion
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