Chapter 4
Force System Resultants
力矩:标量公式
The moment of a force, also known as torque, measures the ability of the force to create rotational motion in a body about an axis. It is a vector ...
力矩:解决问题
Understanding the scalar formulation of the moment of a force and applying it correctly through problem-solving is crucial in designing and analyzing ...
合力矩:标量公式
When multiple forces act on an object in two-dimensional space, the concept of the net moment can be used to understand the tendency of these forces to ...
力矩:矢量公式
The moment of force refers to the measure of the rotational tendency of a force. It occurs when a force is applied in such a way that it produces a ...
用于向量公式的笛卡尔形式
The Cartesian form for vector formulation is a process to calculate the moment of force using the position and force vectors. The moment of force is ...
合力矩:向量公式
When a force is applied to an object, the tendency of the object to rotate about a point is known as its moment. If multiple forces are acting on an ...
矩量原理
The principle of moments, also known as Varignon's theorem, is a fundamental concept in physics and engineering that describes the equilibrium of a ...
矩量原理:解决问题
The principle of moments is a fundamental concept in physics and engineering. It refers to the balancing of forces and moments around a point or axis, ...
绕轴的力矩:标量
The moment of a force about an axis is a crucial concept in mechanics that helps determine an object's rotational motion around a specific point or ...
绕轴的力矩:矢量
When a force is exerted on an object, it can cause that object to rotate about an axis. The moment of a force, also known as torque, measures the ...
夫妇
A couple is a pair of parallel forces equal in magnitude but in opposite directions. The forces are separated by a perpendicular distance, known as the ...
耦合:标量和向量公式
One might wonder how the captain of a large ship can navigate through the ocean with just a turn of the steering wheel. The answer lies in the concept of ...
等效对数
In mechanical engineering, the concept of equivalent couples plays a crucial role in understanding and analyzing various mechanical systems.
Two couples ...
情侣时刻:解决问题
The moment of couple is an essential concept in physics and engineering, used to calculate the rotational force, or torque, that is created when a couple ...
力和耦合系统
In the analysis of structural systems, it is common to encounter members subjected to various forces and couple moments. Simplifying these systems can ...
力和耦合系统的简化 I
The concept of reducing a system of forces and couple moments to an equivalent system is essential in simplifying the analysis of rigid bodies. This ...
力和耦合系统的简化:II
In a three-dimensional system, multiple forces can act on an object. These forces can be combined into a single equivalent force, known as the resultant ...
分布式负载
Distributed loads are a common type of load that engineers and scientists encounter in various practical situations. Distributed loads often refer to a ...
沿单个轴的载荷
In structural engineering, the analysis of beams subjected to varying loads is a critical aspect of understanding the behavior and performance of these ...
分布式负载:问题解决
Beams are structural elements commonly employed in engineering applications requiring different load-carrying capacities. The first step in analyzing a ...
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