'Useful energy output' diaporamas de présentation

LIMITED RESOURCES: SEARCH FOR NEW & RENEWABLE ENERGY

LIMITED RESOURCES: SEARCH FOR NEW & RENEWABLE ENERGY . Comenius University Lectures, Bratislava. Net Energy Analyses. G. TOTH. ENERGY ECONOMICS. NEW & RENEWABLE ENERGY . Comenius University Lectures, Bratislava. NEW & RENEWABLE ENERGY.

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Today: Chapter 7 -- Energy

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Chapter 6: Electric Energy at Home

Chapter 6: Electric Energy at Home. Unit B: Energy Transformations. 6.1 Generating Electric Energy. A generator is a device that makes electricity. Michael Faraday made the first electric generator in the early 1800s.

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Machines p108

Machines p108. A lever is a simple machine. The work done on one side equals the work done on the other. A lever is a FORCE MULTIPLIER !. Five ropes around the pulleys. One rope is pulled. Rope is pulled 50cm. Mass is lifted 10 cm. 100 N of force on this side.

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