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Chapter 2

Force Vectors

סקלרי ווקטורים
סקלרי ווקטורים
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 ...
פעולות וקטוריות
פעולות וקטוריות
Vectors are physical quantities that have both magnitude and direction. The vector operations include addition, subtraction, and scalar multiplication. A ...
מבוא לכוח
מבוא לכוח
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 ...
סיווג כוח
סיווג כוח
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 ...
חיבור וקטורי של כוחות
חיבור וקטורי של כוחות
When understanding the effects of multiple forces acting on an object, vector addition is a crucial concept to grasp. This mathematical concept can be ...
מערכת כוח דו-ממדית
מערכת כוח דו-ממדית
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 ...
מערכת כוח דו מימדית: פתרון בעיות
מערכת כוח דו מימדית: פתרון בעיות
Solving problems related to two-dimensional force systems is an essential aspect of mechanics and engineering. By applying the principles of vector ...
סימון סקלרי
סימון סקלרי
Scalar notation is a useful method for simplifying calculations involving vectors. When vectors are added or subtracted, their components can be added or ...
סימון וקטורי קרטזי
סימון וקטורי קרטזי
Cartesian vector notation is a valuable tool in mechanical engineering for representing vectors in three-dimensional space, performing vector operations ...
קוסינוס כיוון של וקטור
קוסינוס כיוון של וקטור
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 ...
מערכת כוח תלת מימדית
מערכת כוח תלת מימדית
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 ...
מערכת כוח תלת מימדית:פתרון בעיות
מערכת כוח תלת מימדית:פתרון בעיות
A three-dimensional force system refers to a scenario in which three forces act simultaneously in three different directions. This type of problem is ...
וקטורי מיקום
וקטורי מיקום
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 ...
וקטור כוח לאורך קו
וקטור כוח לאורך קו
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 ...
מוצר נקודה
מוצר נקודה
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 ...
Dot Product: פתרון בעיות
Dot Product: פתרון בעיות
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 ...
חוצה מוצרים
חוצה מוצרים
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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