SECTION 2 OF 5UNIT 3
Work, Energy & Power
Stop tracking forces moment by moment. Track energy from start to finish.
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Section 2 Curriculum
Work Energy and Power
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- Work and Kinetic Energy: How Net Work Changes Kinetic Energy (ΔK = W_net) (6:46)
- Work Done by a Force at an Angle: Why Only F∥ Counts (4:28)
- Work–Energy Theorem: Positive, Negative and Zero Work (7:43)
- Work Done by Gravity: Why the Sign Flips (8:54)
- Work Done by a Variable Force (4:39)
- How Do You Find Spring Work from a Force-Position Graph? (9:09)
- Work Done per Second, and the P = Fv Link (10:53)
- Fixed Power, Heavier Load, Slower Speed and Rising Power (5:52)
- Work and Potential Energy: Is Gravity’s Work the Same Energy as ΔU? (6:59)
- Conservative and Nonconservative Forces: Why Gravity Cares Only About Height (8:44)
- Gravitational Potential Energy: Deriving mgΔy and Choosing the Zero Level (7:55)
- Elastic Potential Energy: Where ½kx² Comes From (5:02)
- Conservation of Mechanical Energy: When Is It Conserved? (8:23)
- Energy Graphs: How Do You Read a Potential Energy Curve? (8:05)
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These lessons open inside the full AP Physics 1 course. Enroll once, and all five sections are yours.
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