Energy Systems Clarified (13:38)
A demonstration of a block-spring system on an incline is used to show the relationships between work and energy, and how they depended on what is defined as the system. This is an AP Physics 1 and AP Physics C: Mechanics topic.

Content Times:
0:00 The demonstration
1:39 Free Body Diagram and Work
2:37 General Energy Transfer Equation
3:17 System #1: Block
5:53 System #2: Block, Earth
7:16 System #3: Block, Earth, Spring
9:17 System #4: Block, Earth, Spring, Incline

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