'Work energy principle' presentation slideshows

Reading Quiz - Work & Energy

Reading Quiz - Work & Energy. 1. A woman holds a bowling ball in a fixed position. The work she does on the ball ___ 1. depends on the weight of the ball. ___ 2. cannot be calculated without more information. ___ 3. is equal to zero.

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Sect. 10-8: Fluids in Motion (Hydrodynamics)

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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.

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Fluids

Fluids. Buoyant Force. The pressure force on the sides of the volume balances the weight of fluid in the volume. The force remains even without the original fluid. This is the buoyant force. Equals the fluid weight Directed upward Acts on the volume. F b = mg. Sinking and Rising.

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Fluids

Fluids. Buoyant Force. The pressure force on the sides of the volume balances the weight of fluid in the volume. The force remains even without the original fluid. This is the buoyant force. Equals the fluid weight Directed upward Acts on the volume. F b = mg. Sinking and Rising.

187 views • 11 slides

Chapter 6: Work and Energy

Chapter 6: Work and Energy. Christopher Chui. Work Done by a Constant Force. Work is defined to be the product of the magnitude of the displacement times the component of the force parallel to the displacement, or W = Fd cos q Unit for work is joule, or 1 J = 1 N-m

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Nonconservative Forces

Nonconservative Forces. Conservation Law. In the work-energy principle, the work is divided into conservative and non-conservative forces. Kinetic energy D K = W con + W non The conservative forces have a related potential energy. Kinetic energy D K = - D U + W non.

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Work - Energy Principle

Work - Energy Principle. If some work is done on an object then its energy will change. It may gain or lose g.p.e , e.p.e or k.e. The work - energy principle simply states that the work done is equal to the gain in energy. This principle leads to an important conservation law:

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Conservative and Non-Conservative Forces

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Conservative and Non-Conservative Forces

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