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May 18, 2010 · The document discusses concepts related to work, energy and power in physics. It defines work as the product of force and displacement. Kinetic energy is defined as the energy an object possesses due to its motion. The law of conservation of energy states that energy cannot be created or destroyed, only transferred or changed from ...
- WORK POWER AND ENERGY
1) Chapter 6 discusses work, energy, and power, defining...
- Work and power
- Students will learn to define and calculate work, energy,...
- WORK POWER AND ENERGY
1 WORK, POWER AND ENERGY 2 WORK. If an object or system, such as your body, exerts a force on an object and that force causes the object’s position to change, you are doing work on the object....
Jan 27, 2015 · 1) Chapter 6 discusses work, energy, and power, defining kinetic energy as the energy of motion and potential energy as energy associated with positional forces. 2) The work-energy principle states that the net work done on an object equals its change in kinetic energy.
Aug 10, 2010 · - Students will learn to define and calculate work, energy, and power using formulas like kinetic energy (Ek = 1/2mv2), gravitational potential energy (Ep = mgh), and power (P = W/t). They will also learn about the conservation of energy and conversions between different energy forms.
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Conservation of energy springs & gravity example Two types of forces: (-)Work done by friction heat Thermal atomic motion Work-energy theorem (all forces) Work – Energy Theorem (all forces) Energy conversion while skiing Units again Food Calories Power Other units Kilowatt hours Work and Energy Physics 100 Chapt 5 Physicist’s definition of “work” Atlas holds up the Earth Garcon does ...
Nov 12, 2014 · Section 8.2: Power • Power is the rate by which work is done. Rates always include a time element. • P = average power = work/time • = (energy transformed)/(time) = J/s = Watt (W) • P=W/t • Although we are used to this being an electrical term, it is derived from the conversion of mechanical energy into electrical energy.
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