Energy, Work and Power
/Mr. Andersen defines the terms energy, work and power. He also uses a simple example to calculate both work and power.
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Mr. Andersen explains the simple principles behind simple machines. He shows how the mechanical advantage of a simple machine can increase the input force. A brief discussion of work is also included.
Mr. Andersen explains the concept of momentum. He also shows you how to solve simple momentum problems. He finally shows you how momentum is both conserved and relative.