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Chapter 14

Kinetics of a Particle: Impulse and Momentum

单个粒子的线性冲量和动量原理
单个粒子的线性冲量和动量原理
Linear momentum is a vector that shares the same direction as the velocity, while linear impulse measures the effect of a force during the time it acts on ...
单个粒子的线性冲量和动量原理:问题解决
单个粒子的线性冲量和动量原理:问题解决
Consider a massless pulley system consisting of a wooden box and a cylinder of known masses. Determine the speed of the attached objects at a specific ...
粒子系统的线性冲量和动量原理
粒子系统的线性冲量和动量原理
Consider a system of particles moving relative to an inertial frame of reference. The equation of motion for such a system can be written as the sum of ...
粒子系统的线性动量守恒
粒子系统的线性动量守恒
In a game of billiards, when the cue ball strikes a stationary ball, it transfers some of its momentum to the stationary ball. The cue ball slows down, ...
冲击
冲击
Impact occurs when two bodies collide, resulting in impulsive forces being exerted between them. To analyze impact mechanics, consider two colliding ...
影响类型
影响类型
Impacts can be classified into various types. A central impact occurs when two objects collide head-on with opposite velocities aligned along the line of ...
影响:问题解决
影响:问题解决
In an experiment during a Mars mission, a rover fires a projectile with an initial velocity that rebounds after impacting the Martian surface. With a ...
角动量
角动量
Angular momentum describes the rotational motion of an object. It is defined as the moment of the object's linear momentum about a specific point O. ...
力矩与角动量之间的关系
力矩与角动量之间的关系
In a spinning top, applying a force at a distance from the center creates torque, which changes the angular momentum of the top, causing it to spin. The ...
角冲量和动量原理
角冲量和动量原理
The angular impulse and momentum principle explains how forces applied at a distance from the rotational axis can affect an object's angular ...
角冲量和动量原理:解决问题
角冲量和动量原理:解决问题
A heavy ball with a known mass is attached to a rod of known length and negligible mass. The system is subjected to a particular torque. Knowing the ...
流体流的稳态流动
流体流的稳态流动
Consider a control volume, such as a pipe with solid boundaries. As fluid flows within the pipe, it changes direction due to the impulse exerted by the ...
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