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Chapter 2

Force Vectors

Скаляры и векторы
Скаляры и векторы
In mechanics, commonly used terms like force, speed, velocity, and work can be classified as either scalar or vector quantities. A scalar is a physical ...
Векторные операции
Векторные операции
Vectors are physical quantities that have both magnitude and direction. The vector operations include addition, subtraction, and scalar multiplication. A ...
Введение в силу
Введение в силу
Consider water flowing from a nozzle to a turbine vane. As the water hits the turbine vane, it exerts a force that causes it to move along the flow of ...
Классификация силы
Классификация силы
Forces play a crucial role in the study of physics and engineering. They are essential in describing the motion, behavior, and equilibrium of objects in ...
Векторное сложение сил
Векторное сложение сил
When understanding the effects of multiple forces acting on an object, vector addition is a crucial concept to grasp. This mathematical concept can be ...
Двумерная силовая система
Двумерная силовая система
A two-dimensional system in mechanical engineering involves the analysis of motion and forces in a plane. A two-dimensional force vector can be resolved ...
Двумерная силовая система: решение проблем
Двумерная силовая система: решение проблем
Solving problems related to two-dimensional force systems is an essential aspect of mechanics and engineering. By applying the principles of vector ...
Скалярная нотация
Скалярная нотация
Scalar notation is a useful method for simplifying calculations involving vectors. When vectors are added or subtracted, their components can be added or ...
Декартова векторная нотация
Декартова векторная нотация
Cartesian vector notation is a valuable tool in mechanical engineering for representing vectors in three-dimensional space, performing vector operations ...
Направление косинусов вектора
Направление косинусов вектора
Direction cosines, which help describe the orientation of a vector with respect to the coordinate axes, are an essential concept in the field of vector ...
Трехмерная силовая система
Трехмерная силовая система
In mechanical engineering, a three-dimensional force system is a system of forces acting in three dimensions, with forces applied along the x, y, and z ...
Трехмерная силовая система: решение проблем
Трехмерная силовая система: решение проблем
A three-dimensional force system refers to a scenario in which three forces act simultaneously in three different directions. This type of problem is ...
Векторы положения
Векторы положения
A position vector is a fundamental concept in mathematics that helps determine the position of one point with respect to another point in space. It is a ...
Вектор силы вдоль линии
Вектор силы вдоль линии
Quite often in three-dimensional statics problems, the direction of a force is specified by two points through which its line of action passes. Consider a ...
Скалярное произведение
Скалярное произведение
The dot product is an essential concept in mathematics and physics. In engineering, the dot product of any two vectors is the product of the magnitudes of ...
Скалярное произведение: решение проблем
Скалярное произведение: решение проблем
The dot product is a powerful tool in problem-solving involving vectors, given that the dot product of two vectors is the product of their magnitudes and ...
Перекрестное произведение
Перекрестное произведение
The cross product is a fundamental concept in vector algebra that is a vector operation on two different vectors to obtain a third vector. Unlike the ...
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