'Dot product scalar product' diaporamas de présentation

Physics 1 11 : Mechanics Lecture 6

Physics 1 11 : Mechanics Lecture 6. Dale Gary NJIT Physics Department. Energy. Energy and Mechanical Energy Work Kinetic Energy Work and Kinetic Energy The Scalar Product of Two Vectors. Why Energy ?. Why do we need a concept of energy?

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Physics 1 06 : Mechanics Lecture 05

Physics 1 06 : Mechanics Lecture 05. Wenda Cao NJIT Physics Department. Angular Momentum. Vectors Cross Product Torque using vectors Angular Momentum. y. a y. q. x. a x. Vector Basics. Ways of writing vector notation. We will be using vectors a lot in this course.

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Vector Product

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Interactions between the system and the environment will cause a change in the system.

Interactions between the system and the environment will cause a change in the system. Change in the speed of a system due to an external force. Change in the direction of motion of a system due to an external force. Change in the temperature of a system due to thermal conduction.

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Dot Product (Scalar Product)

Dot Product (Scalar Product). This product of two vectors results in a scalar quantity. You multiply one vector by the component of the second vector that is parallel to the first vector. If A = B : We use the same rules when multiplying a vector by itself.

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Examples:

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