Defining Mechanical Advantage and Efficiency

Mechanical advantage is the ratio of

Efficiency is the ratio of

expressed as a percentage.

Intro

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Activity

Katrina inserts a key into her car ignition she turns the key putting her car into ignition mode. In thos mode energy is used to increase the temperature of the cars fuel this energy allows fuel to combust and the car to move.

Quentin made a table to summarize uses of electromagnetic waves. Which should he write in the "Use" section for X-rays? music broadcasts luggage inspections night-vision goggles digital photographs

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Examples of rational motion

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Masa samochodu wynosi 2000 kg. Siła parcia wywierana przez cztery koła na powierzchnię szosy wynosi: A. 2000 N B. 20000 N C. 500 N D. 5000 N szybko plis