🗊Презентация University physics. Forces review of basic concepts

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University physics. Forces review of basic concepts, слайд №1University physics. Forces review of basic concepts, слайд №2University physics. Forces review of basic concepts, слайд №3University physics. Forces review of basic concepts, слайд №4University physics. Forces review of basic concepts, слайд №5University physics. Forces review of basic concepts, слайд №6University physics. Forces review of basic concepts, слайд №7University physics. Forces review of basic concepts, слайд №8University physics. Forces review of basic concepts, слайд №9University physics. Forces review of basic concepts, слайд №10University physics. Forces review of basic concepts, слайд №11University physics. Forces review of basic concepts, слайд №12University physics. Forces review of basic concepts, слайд №13University physics. Forces review of basic concepts, слайд №14University physics. Forces review of basic concepts, слайд №15University physics. Forces review of basic concepts, слайд №16University physics. Forces review of basic concepts, слайд №17University physics. Forces review of basic concepts, слайд №18University physics. Forces review of basic concepts, слайд №19University physics. Forces review of basic concepts, слайд №20University physics. Forces review of basic concepts, слайд №21University physics. Forces review of basic concepts, слайд №22University physics. Forces review of basic concepts, слайд №23University physics. Forces review of basic concepts, слайд №24University physics. Forces review of basic concepts, слайд №25University physics. Forces review of basic concepts, слайд №26
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Слайды и текст этой презентации

Слайд 1


University Physics I Forces Review of Basic Concepts
Описание слайда:
University Physics I Forces Review of Basic Concepts

Слайд 2


Vectors and Scalars All physical quantities (e.g. speed and force) are described by a magnitude and a unit. VECTORS – also need to have their direction specified examples: displacement, velocity, acceleration, force. SCALARS – do not have a direction examples: distance, speed, mass, work, energy.
Описание слайда:
Vectors and Scalars All physical quantities (e.g. speed and force) are described by a magnitude and a unit. VECTORS – also need to have their direction specified examples: displacement, velocity, acceleration, force. SCALARS – do not have a direction examples: distance, speed, mass, work, energy.

Слайд 3


Representing Vectors An arrowed straight line is used. The arrow indicates the direction and the length of the line is proportional to the magnitude.
Описание слайда:
Representing Vectors An arrowed straight line is used. The arrow indicates the direction and the length of the line is proportional to the magnitude.

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Addition of vectors 1
Описание слайда:
Addition of vectors 1

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Addition of vectors 2 With two vectors acting at an angle to each other: Draw the first vector. Draw the second vector with its tail end on the arrow of the first vector. The resultant vector is the line drawn from the tail of the first vector to the arrow end of the second vector. This method also works with three or more vectors.
Описание слайда:
Addition of vectors 2 With two vectors acting at an angle to each other: Draw the first vector. Draw the second vector with its tail end on the arrow of the first vector. The resultant vector is the line drawn from the tail of the first vector to the arrow end of the second vector. This method also works with three or more vectors.

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Resultant of Two Forces
Описание слайда:
Resultant of Two Forces

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Addition of Vectors
Описание слайда:
Addition of Vectors

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Addition of Vectors
Описание слайда:
Addition of Vectors

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Resultant of Several Concurrent Forces
Описание слайда:
Resultant of Several Concurrent Forces

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Rectangular Coordinate System
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Rectangular Coordinate System

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University physics. Forces review of basic concepts, слайд №11
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Direction Angles
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Direction Angles

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Relationships for Direction Angles
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Relationships for Direction Angles

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Example 1. A force has x, y, and z components of 3, 4, and –12 N, respectively. Express the force as a vector in rectangular coordinates.
Описание слайда:
Example 1. A force has x, y, and z components of 3, 4, and –12 N, respectively. Express the force as a vector in rectangular coordinates.

Слайд 15


Determine the magnitude of the force in previous example:
Описание слайда:
Determine the magnitude of the force in previous example:

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Determine the three direction angles for the force :
Описание слайда:
Determine the three direction angles for the force :

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University physics. Forces review of basic concepts, слайд №17
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Vector Operations to be Considered Scalar or Dot Product: A•B Vector or Cross Product: AxB Triple Scalar Product: (AxB)•C
Описание слайда:
Vector Operations to be Considered Scalar or Dot Product: A•B Vector or Cross Product: AxB Triple Scalar Product: (AxB)•C

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Consider two vectors A and B oriented in different directions.
Описание слайда:
Consider two vectors A and B oriented in different directions.

Слайд 20


Scalar or Dot Product
Описание слайда:
Scalar or Dot Product

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First Interpretation of Dot Product: Projection of A on B times the length of B.
Описание слайда:
First Interpretation of Dot Product: Projection of A on B times the length of B.

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Or alternatively: Projection of B on A times the length of A.
Описание слайда:
Or alternatively: Projection of B on A times the length of A.

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Some Implications of Dot Product
Описание слайда:
Some Implications of Dot Product

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Example : Perform several scalar operations on the following vectors:
Описание слайда:
Example : Perform several scalar operations on the following vectors:

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University physics. Forces review of basic concepts, слайд №25
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Слайд 26


Vector or Cross Product
Описание слайда:
Vector or Cross Product

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