EOSC 114 Lecture : EOSC 114 Lecture #2.docx
16 Apr 2013
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Explain how force of gravity affects motion and energy. List 5 types of energy important to disasters and describe what causes them to vary. Explain how disasters are associated with concentration of energy. Explain how energy conservation applies to natural disasters. Explain why disaster scales are based on the order-of-magnitude concept and interpret graphs with logarithmic scales. Energy causes things to move or change. Disasters release immense energy, which cause catastrophic changes. These changes are related to force, work, power, pressure, stress and others. The si unit is the newton (n), which is equal to. How big is a newton: 15km/h breeze pushes with 1n force, the weight of mt. Baker on the earth"s crust is about n. A force that attracts matter (ie masses) to each other. Objects of mass m near the earth"s surface are pulled with force , where. There are many forms of energy, including: (work, potential energy, kinetic energy, sensible heat, latent heat.
