impulsive force

简明释义

冲力

英英释义

例句

1.The impulsive force (冲击力) from the explosion can cause significant damage to nearby structures.

爆炸产生的impulsive force (冲击力) 可以对附近的建筑物造成严重损害。

2.When a rocket launches, the engines produce an impulsive force (冲击力) that propels it into space.

当火箭发射时，发动机产生的impulsive force (冲击力) 将其推进到太空。

3.During a car crash, the airbag deploys to counteract the impulsive force (冲击力) exerted on the passengers.

在汽车碰撞中，安全气囊展开以抵消施加在乘客身上的impulsive force (冲击力)。

4.In sports, athletes must learn to control their movements to manage the impulsive force (冲击力) generated during performance.

在运动中，运动员必须学会控制自己的动作，以管理表演过程中产生的impulsive force (冲击力)。

5.A baseball bat experiences an impulsive force (冲击力) when it strikes the ball.

当棒球棒击打球时，会经历一个impulsive force (冲击力)。

作文

In the realm of physics, the concept of force is fundamental to understanding motion and interaction between objects. One specific type of force that often comes into play is the impulsive force, which is characterized by its short duration and significant impact on an object's momentum. To grasp the implications of impulsive force, it is essential to explore its definition, examples, and applications in various scenarios.The impulsive force can be defined as a force that acts on an object for a very brief period, resulting in a change in momentum. This type of force is typically associated with collisions or sudden impacts. For instance, when a baseball bat strikes a ball, the bat exerts an impulsive force on the ball, causing it to accelerate rapidly. The duration of this force is extremely short, yet the effect on the ball's velocity is profound.One of the most common examples of impulsive force can be observed in sports. When a soccer player kicks a ball, the foot applies an impulsive force that propels the ball forward. The speed and direction of the ball are determined by the magnitude and angle of the force applied. Similarly, in basketball, when a player shoots, the ball experiences an impulsive force that alters its path towards the hoop.Moreover, impulsive forces are not limited to sports. They also play a critical role in automotive safety. During a car crash, the sudden deceleration of the vehicle generates an impulsive force that can lead to injury for the occupants. Understanding the dynamics of these forces allows engineers to design safer vehicles that can better absorb the energy from impacts, thereby reducing the risk of injury.In addition to collisions, impulsive forces can also be found in everyday phenomena. For example, when a person jumps off a diving board, they push down on the board, creating an impulsive force that propels them upward. The reaction to this force is what allows the diver to achieve height and perform acrobatics before entering the water.The study of impulsive forces extends beyond just practical applications; it also has theoretical implications in physics. The impulse-momentum theorem states that the change in momentum of an object is equal to the impulse applied to it. This relationship highlights the significance of impulsive forces in altering an object's state of motion.In conclusion, the concept of impulsive force is vital for understanding how forces affect motion in a variety of contexts. From sports to automotive safety, these forces have far-reaching implications that influence both our daily lives and the field of physics. By studying impulsive forces, we gain valuable insights into the dynamics of motion and the principles that govern interactions between objects. As we continue to explore the complexities of physics, the role of impulsive force remains a fascinating area of study, bridging the gap between theoretical knowledge and practical application.

在物理学领域，力的概念是理解物体运动和相互作用的基础。一个特定类型的力，通常会发挥作用的是冲击力，它的特征是持续时间短暂，对物体动量的影响显著。为了掌握冲击力的含义，探索其定义、示例和在各种场景中的应用至关重要。冲击力可以定义为作用于物体的力，其持续时间非常短，导致动量的变化。这种类型的力通常与碰撞或突然的冲击有关。例如，当棒球棒击中球时，棒球棒对球施加了冲击力，使其迅速加速。这种力的持续时间极短，但对球速的影响却是深远的。冲击力的一个常见示例可以在体育运动中观察到。当一名足球运动员踢球时，脚施加的冲击力推动球向前。球的速度和方向由施加的力的大小和角度决定。类似地，在篮球比赛中，当球员投篮时，球经历的冲击力改变了它朝向篮筐的路径。此外，冲击力不仅限于体育运动。它们在汽车安全中也发挥着关键作用。在汽车碰撞过程中，车辆的突然减速产生了冲击力，这可能导致乘客受伤。理解这些力的动态关系使工程师能够设计更安全的汽车，更好地吸收碰撞能量，从而降低受伤风险。除了碰撞，冲击力还可以在日常现象中找到。例如，当一个人从跳板上跳下时，他们向下推跳板，产生了一个冲击力，将他们向上推动。对此力的反应使潜水员能够获得高度并在入水前进行杂技表演。对冲击力的研究不仅限于实际应用；它在物理学中也具有理论意义。冲量-动量定理指出，物体动量的变化等于施加于它的冲量。这一关系突显了冲击力在改变物体运动状态中的重要性。总之，冲击力的概念对于理解力如何在各种上下文中影响运动至关重要。从体育到汽车安全，这些力具有深远的影响，影响着我们的日常生活和物理学领域。通过研究冲击力，我们获得了对运动动力学和支配物体相互作用的原则的宝贵见解。随着我们继续探索物理学的复杂性，冲击力的角色仍然是一个引人入胜的研究领域，架起了理论知识与实际应用之间的桥梁。