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4. Kinetic Energy and Work-Energy Theorem Work-Energy Theorem Work and Energy > Work-Energy Theorem Free to share, print, make copies and changes. Get yours at www.boundless.com www.boundless.com/physics?campaign_content=book_5818_section_65&campaign_term=Physics&utm_campaign=powerpoint&utm_medium=di rect&utm_source=boundless

5. The work W done by the net force on a particle equals the change in the particle's kinetic energy KE: [Equation 1]. Kinetic Energy and Work-Energy Theorem Work and Energy > Work-Energy Theorem Free to share, print, make copies and changes. Get yours at www.boundless.com www.boundless.com/physics/textbooks/alternative-to-physics-9th-john-d-cutnell-kenneth-w-johnson-1118129172-9781118129173/work-and- energy-6/work-energy-theorem-65/kinetic-energy-and-work-energy-theorem-327- 6249?campaign_content=book_5818_section_65&campaign_term=Physics&utm_campaign=powerpoint&utm_medium=direct&utm_source=boun dless Equation 1 View on Boundless.com Kinetic Energy View on Boundless.com

6. The work-energy theorem can be derived from Newton's second law. Work transfers energy from one place to another or one form to another. In more general systems than the particle system mentioned here, work can change the potential energy of a mechanical device, the heat energy in a thermal system, or the electrical energy in an electrical device. Kinetic Energy and Work-Energy Theorem Free to share, print, make copies and changes. Get yours at www.boundless.com www.boundless.com/physics/textbooks/alternative-to-physics-9th-john-d-cutnell-kenneth-w-johnson-1118129172-9781118129173/work-and- energy-6/work-energy-theorem-65/kinetic-energy-and-work-energy-theorem-327- 6249?campaign_content=book_5818_section_65&campaign_term=Physics&utm_campaign=powerpoint&utm_medium=direct&utm_source=boun dless Kinetic Energy View on Boundless.com Work and Energy > Work-Energy Theorem

7. Free to share, print, make copies and changes. Get yours at www.boundless.com Appendix

8. Key terms torque A rotational or twisting effect of a force; (SI unit newton-meter or Nm; imperial unit foot-pound or ft-lb) Free to share, print, make copies and changes. Get yours at www.boundless.com Work and Energy

9. Kinetic Energy A force does work on the block. The kinetic energy of the block increases as a result by the amount of work. This relationship is generalized in the work- energy theorem. Free to share, print, make copies and changes. Get yours at www.boundless.com Connexions. "Work - kinetic energy theorem." CC BY 3.0 http://cnx.org/content/m14095/latest/ View on Boundless.comCC BY 3.0http://cnx.org/content/m14095/latest/View on Boundless.com Work and Energy

10. Free to share, print, make copies and changes. Get yours at www.boundless.com Work and Energy How are 1/2 mv2f and 1/2 mv2i related to work? A) The additional is equivalent to the change in the particle's kinetic energy B) The difference is equivalent to work C) The equilibrium is positive work D) The difference is half of the particle's kinetic energy

11. Free to share, print, make copies and changes. Get yours at www.boundless.comwww.boundless.com Boundless - LO. "Boundless." CC BY-SA 3.0 http://www.boundless.com/CC BY-SA 3.0http://www.boundless.com/ Work and Energy How are 1/2 mv2f and 1/2 mv2i related to work? A) The additional is equivalent to the change in the particle's kinetic energy B) The difference is equivalent to work C) The equilibrium is positive work D) The difference is half of the particle's kinetic energy

12. Free to share, print, make copies and changes. Get yours at www.boundless.com Work and Energy How does one calculate the work of the net force? A) The difference in the particle's kinetic energy B) The quotient of change in velocity over 2 times the acceleration C) The product of the magnitude and the particle's displacement D) The product of the particle's velocity before and after the change

13. Free to share, print, make copies and changes. Get yours at www.boundless.comwww.boundless.com Boundless - LO. "Boundless." CC BY-SA 3.0 http://www.boundless.com/CC BY-SA 3.0http://www.boundless.com/ Work and Energy How does one calculate the work of the net force? A) The difference in the particle's kinetic energy B) The quotient of change in velocity over 2 times the acceleration C) The product of the magnitude and the particle's displacement D) The product of the particle's velocity before and after the change

14. Attribution Wikipedia. "Work energy theorem." CC BY-SA 3.0 http://en.wikipedia.org/wiki/Work_energy_theorem#Work-energy_principleCC BY-SA 3.0http://en.wikipedia.org/wiki/Work_energy_theorem#Work-energy_principle Wiktionary. "torque." CC BY-SA 3.0 http://en.wiktionary.org/wiki/torqueCC BY-SA 3.0http://en.wiktionary.org/wiki/torque Free to share, print, make copies and changes. Get yours at www.boundless.com Work and Energy