'Dissipative forces' diaporamas de présentation

Chapter 8

Chapter 8. Rotational Equilibrium and Rotational Dynamics. Force vs. Torque. Forces cause accelerations Torques cause angular accelerations Force and torque are related. Torque. The door is free to rotate about an axis through O

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521 views • 34 slides

Work and Energy

Work and Energy. AP Physics B Chapter 6 Notes. Definition of Work. Work is defined as the product of the magnitude of the displacement times the component of the force parallel to the displacement. W = F ? d = Fcos ? d. Definition of Work.

448 views • 25 slides

(Chap.6 p.139) Work, Energy and Power

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196 views • 19 slides

Chapter 7 Work, Energy and Power (Chap. 6 in the textbook page 139)

Chapter 7 Work, Energy and Power (Chap. 6 in the textbook page 139). Dr. Haykel Abdelhamid Elabidi. April 2014/Ju T 1435. Units of Chapter 7 (6). Work of a constant force Kinetic energy Potential energy and conservative forces Dissipative forces Power. Work done by a constant force.

349 views • 17 slides

Dissipative Forces

Dissipative Forces. Reality?. In reality, non-conservative forces cannot be ignored: friction really does act Dissipative force is one that reduces the total mechanical energy The total energy is conserved, it is just converted into useless forms (heat from friction)

56 views • 4 slides