งาȨละพลังงาน
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The document contains technical information and calculations related to energy, power, and mechanical systems. It includes formulas for kinetic energy, potential energy, gravitational potential energy, elastic potential energy, and the law of conservation of energy. It also provides examples of calculations involving mass, velocity, height, force, distance, and spring constants. Diagrams illustrate pulley and lever systems along with the relationship between applied force, effort force, load, and fulcrum.
งาȨละพลังงาน
- 9. www.themegallery.com Company Logo23101231012310123101 F F FFFF ==== ssss ==== WWWW ==== WWWW = F x s= F x s= F x s= F x s ssss
- 11. www.themegallery.com Company Logo23101 1.1.1.1. 10101010 20202020 2.2.2.2. 5555 7777 0.30.30.30.3 โจทย์คํานวณเรื่องงานโจทย์คํานวณเรื่องงาน 3.3.3.3. 25252525 2.52.52.52.5
- 15. www.themegallery.com Company Logo23101 2222 ((((w)w)w)w) ((((t)t)t)t) (power)(power)(power)(power) ((((Power) = PPower) = PPower) = PPower) = P ==== //// (watt)(watt)(watt)(watt) PPPP ==== wwww tttt
- 16. www.themegallery.com Company Logo23101 1.1.1.1. 600600600600 2222 10101010 5555 P =P =P =P = WWWW tttt wwww WWWW ==== fsfsfsfs = 6= 6= 6= 600000000 x 10x 10x 10x 10 = 6,000= 6,000= 6,000= 6,000 6,0006,0006,0006,000 5 x 605 x 605 x 605 x 60 P =P =P =P = = 20= 20= 20= 20 20202020 AnsAnsAnsAns 6,0006,0006,0006,000 300300300300 =
- 17. www.themegallery.com Company Logo23101 2.2.2.2. 10101010 50505050 1111 100100100100 10101010 P =P =P =P = WWWW tttt wwww WWWW ==== fsfsfsfs ==== 10101010 xxxx 100100100100 x 10 = 10000x 10 = 10000x 10 = 10000x 10 = 10000 10,00010,00010,00010,000 50505050 P =P =P =P = = 200= 200= 200= 200 200200200200 AnsAnsAnsAns
- 18. www.themegallery.com Company Logo23101 3.3.3.3. 50505050 40404040 60606060 30303030 P =P =P =P = WWWW tttt w = PT = 50 x 40 = 2,000w = PT = 50 x 40 = 2,000w = PT = 50 x 40 = 2,000w = PT = 50 x 40 = 2,000 N.mN.mN.mN.m w = PT = 60 x 30 = 1,800w = PT = 60 x 30 = 1,800w = PT = 60 x 30 = 1,800w = PT = 60 x 30 = 1,800 N.mN.mN.mN.m 200200200200 N.mN.mN.mN.m AnsAnsAnsAns
- 21. www.themegallery.com Company Logo (Kinetic Energy)(Kinetic Energy)(Kinetic Energy)(Kinetic Energy)(Kinetic Energy)(Kinetic Energy)(Kinetic Energy)(Kinetic Energy) ((EEkk)) 2 2 1 mvE k =
- 22. www.themegallery.com Company Logo (Potential Energy)(Potential Energy)(Potential Energy)(Potential Energy)(Potential Energy)(Potential Energy)(Potential Energy)(Potential Energy) ((EEpp)) 22 1.1. 2.2.
- 23. www.themegallery.com Company Logo (Gravitational Potential Energy)(Gravitational Potential Energy) hh mghmgh hh mghmgh mghE p = m h mg
- 25. www.themegallery.com Company Logo ( Elastic Potential Energy)( Elastic Potential Energy)( Elastic Potential Energy)( Elastic Potential Energy)( Elastic Potential Energy)( Elastic Potential Energy)( Elastic Potential Energy)( Elastic Potential Energy) ““ EEpp (elastic)(elastic) ”” 2 2 1 kxE p =
- 26. www.themegallery.com Company Logo 1.1.1.1.1.1.1.1. 9090909090909090 kgkgkgkgkgkgkgkg 8080808080808080 km/hrkm/hrkm/hrkm/hrkm/hrkm/hrkm/hrkm/hr
- 29. www.themegallery.com Company Logo ( law of conservation of energy )( law of conservation of energy )
- 31. www.themegallery.com Company Logo (( ==00)) == pk EEE +=∑ 2 2 1 mvE k = 2 2 1 kxmghE p +=
- 34. www.themegallery.com Company Logo 2.2. ( Lever)( Lever) 33 11 PP WW w P ABC AB CB W P