Introduction to Energy© Copyright NewPath Learning. All Rights Reserved. 94-4869Visit www.newpathlearning.com for Online Learning Resources.What Is Energy?energy as the ability to do work. Work occurs when a force is exerted on an object and causes the object to move. In this example, the energy from the football player is transferred to the training equipment. The energy of an object is measured in joules.Energy, Work and PowerPower is the rate at which work is done, or energy is transferred. A lawn mower that can mow six lawns in an hour is more powerful than a lawn mower that can only mow two lawns in the same amount of time. forceenergyforce300 Joulesenergy = ability to do workSimilarly, a gas stove that boils water in four minutes transfers energy at a faster rate than an electric stove that boils water in seven minutes. The gas stove is more powerful than the electric stove. Power is measured in joules per second, or watts.126931112104578gas stoveelectric stovejoulessecondpower == wattsTypes of EnergyThere are two types of energy, potential and kinetic. The energy that is stored or exists because of the position of an object is called potential energy. A soccer ball at rest, a parked car and a stretched rubber band are all objects that have potential energy. The energy of a moving object is called kinetic energy. Any object in motion has kinetic energy.+–+–MechanicalThermalElectricalenergyChemicalNuclearElectromagneticworktimepower =energy as the ability to do work. Workoccurs when a force is exerted on an object and causes the object to move. In this example, the energy from the football player is transferred to the training equipment. The energy of an object is measured in joules.Power is the rate at which work is done, or energy is transferred. A lawn mower that can mow six lawns in annnnnnnnn hour is more powerful than a lawn mower that can only mow two lawns in the same amount of time. fffffffffffffoooooooooooorrrceeyyyyyyyyyyyenerrrrrrrrggggggggyyyyyyyyyyyyyyyee e ggggggggggeeenerrrrgggggggeeneforce300 JJJJJJJJJJJJJooooooooooooouuuuuuuuuuuuuuulllllllleeeeeeeeeeeesssssssssenergy = aaaaaaaaaaaaabbbbbbbbbbbbillliiiiiiiitttttttttttttyyyyyyyyyyyyyyy ttttttttttttoooooooooooooo dddddddddddddddooooooooooo wrrorkkkkkkkSSSSSSSSSSSSiiiiiiiiiimmmmmmmmmmmmmmmmmiiiiiiilarly, a gasssss sssssssssssttttttttttttttttttooooooooooooooooovvvveeeeeeeeeee ttttttttttttttthhhhhhhhhhhhhhhhhaaaaaaaaaaaaattttttttt bbbbbbbbbbbbbbbbooooooooooooooiiiiiiiiiiiilllllllllls water in four minutes tttttttttttttttrrrrrrrrrrraaaaaaaaaaaaaaaannnnnnnsssssssssssssssssfffffffffffffffeeeeeeeers enerrrrrrrrrrrrrgggggggggggggggggggyyyyyyyyyyyyyyy att aaaaaaaaaaaa ffffffffffffaaaaaaaaaaaaaaasssssssssssstttttttttttttteeeeeeeeeerrrrrrrrrr rate than an electric stove tttttttttthhhhhhhhhhhhhhaaaaaaaaaatttttt bbbboooooooooooooooiiiiiiiiiiiiiiils waaaaaaaaaaaaaattttttttttttteeeeeeeerrrr iiiiiiiiiiiinnnnnnnnnnnnnnnnnn ssssssssssssssseeeeeeeeeeeeeeevvvvvvvvven minutes. The gas stove is more powerffffffful than tttttttttttthhhhhhhhhhhhhhhhhheeeeeeeeeeeee eeelllllllllllleeeeeeeeeeeeeccccccccccccccttttttttttttrrrrrrrrrric stove. Power is measured in joules per second, oooooooooooooorrrrrrrrrrrrrr wwwwwwwwwwwwwwwatts.126931112101457 68vgatosgas stoveeevvvelectric stovevvjojoulessesecondpower == wattsThere are two types of energy, potential annnnnnnnnnddddddddddddddddddddd kkkkkkkkkkkkkkiineeeeetttttttttttiiiiiiiiiiiiiicccccccccccc... TThe ennnnnnnnnnnnnneeeeeeeeeeeeeeeerrrrrrrrrggggggggggggggy that iiiiiiiiiissssssssssssssss ssssssssssssssttttttttttttttored or exists because of the position of an object is called potential ennnneeeeeeeeeeeerrrrrrrgggggggggggggggyyyyyyyyyyyyyyy.. AAAAAAAAAAAAAAAAAA ssssssssssooooooooooooocccccccccccccccccceeer balllll aaaaaaaaaaaaaaaaattt ressssssssssssttttttttttttttt,,,,,,,,,, aaaaaaaaaaaaaaaaa pppppppppppaaaaaaaaaaaarkedddddddddd cccccccccccaaaarrrrrrr and a stretched rubber band are all objects that have potentiiaaaaaaaaaaaaaaaaallllllllllll eeeeeeeeeeennnnnnnnnneeeeeeeeeeeerrrrgyyy. Thhhhhhhheeeeeeeeee eeeeeeeeeeennnnnnnnnnnnneeeeeeeeeerrrrrrrrrrggggggggggggggyyyyyyyyyyyy oooooooooooofffffffffff a movvviiiiiiiiiiiiiiinnnnnnnnnnnnnnnnnnngggggggggggggggggg ooooobbbbbbbbbbbbbbbbbjjjjjjjjjjjjjjjjjeeeeeeeeeeeeeeeeecccccct iiiiiiiiiiiisssssssssssssssss ccccccccccccccaaaaalled kinetic energy. Any object in motion has kinetic energy.+–+–MeeeeeeeeeeeeecccccccccchhhhhaaaaaaaaaaaaaaaannnnnnnnnnnnnniiiiiiicccccccccccccaaaaaaaaaallllllllllllThermalElectricalenergrgrggggyyyyyyyyyyyyyyyeneeeneneenerneneneenennergyyyrgyrgyyyyyyyCCCCCCChhhhhhhhhhhheeeeeeeeeeeeeeeeemmmmmmmmmmmmmiiicaaaaaaaaaaaaaaaalllllllllllllNuclearNuclearElectromagneticwooooooorktttttttttttttiiiiiiiiiiiiimmmmmmmmmmmmmmmmmeeeeeeeeeeeeeeppppppppppowwwwwwwwweeeeeeeeeeeeeerrrrrrrrrrrr =============
< Page 2 | Page 4 >