unbalanced force

简明释义

不平衡力

英英释义

例句

1.A car accelerates when the engine produces an unbalanced force (不平衡力) against friction.

当汽车发动机产生一个unbalanced force (不平衡力) 对抗摩擦时，汽车加速。

2.If you push a box and it starts moving, you have applied an unbalanced force (不平衡力) to it.

如果你推一个箱子并使其开始移动，你就施加了一个unbalanced force (不平衡力)。

3.An unbalanced force (不平衡力) acting on a skateboard causes it to speed up or slow down.

作用于滑板的unbalanced force (不平衡力) 会导致它加速或减速。

4.When a soccer player kicks the ball, an unbalanced force (不平衡力) is applied to change its direction.

当一名足球运动员踢球时，施加了一个unbalanced force (不平衡力) 来改变它的方向。

5.In a tug-of-war, the team that pulls harder creates an unbalanced force (不平衡力) to win.

在拔河比赛中，拉得更用力的一方会产生一个unbalanced force (不平衡力) 来获胜。

作文

In physics, the concept of force is fundamental to understanding how objects interact with one another. One of the key ideas in this field is the notion of unbalanced force, which plays a crucial role in determining the motion of an object. An unbalanced force occurs when the total force acting on an object is not equal to zero, resulting in a change in the object's state of motion. This can mean either that the object is starting to move, stopping, or changing direction.To illustrate this concept, consider a simple example: pushing a stationary car. If you apply a force to the car, and it does not have any other forces acting on it that are equal and opposite, the car will begin to move. This scenario exemplifies an unbalanced force because the force you exerted is greater than the opposing forces, such as friction. The result is a net force that causes the car to accelerate in the direction of your push.In contrast, if two people push on opposite sides of the car with equal force, the forces balance each other out, resulting in no movement. In this case, there is no unbalanced force, and the car remains stationary.The effects of unbalanced forces are not limited to everyday scenarios; they are also evident in various sports and activities. For instance, when a football player runs and changes direction, they are utilizing their muscles to create unbalanced forces that allow them to accelerate and maneuver effectively. Similarly, when a basketball player jumps to shoot, the force generated by their legs must overcome the gravitational pull acting on them. Here, the player's upward force is unbalanced by gravity for a brief moment, allowing them to leave the ground.Understanding unbalanced forces is essential for analyzing motion in more complex systems as well. For example, in engineering, designers must consider how different forces interact when creating structures like bridges or buildings. If the forces acting on these structures are unbalanced, it could lead to catastrophic failures.In summary, the concept of unbalanced force is vital in the study of physics and motion. It helps explain why and how objects move or remain stationary based on the net forces acting upon them. Recognizing the presence of unbalanced forces in various situations allows us to better understand the physical world around us, from simple daily activities to complex engineering challenges. By grasping this concept, we can appreciate the intricate relationships between forces and motion, leading to a deeper comprehension of the laws of physics that govern our universe.

在物理学中，力的概念是理解物体如何相互作用的基础。这个领域中的一个关键思想是不平衡力的概念，它在决定物体运动状态方面起着至关重要的作用。当作用在物体上的总力不等于零时，就会发生不平衡力，这导致物体的运动状态发生变化。这可能意味着物体开始移动、停止或改变方向。为了说明这个概念，考虑一个简单的例子：推一辆静止的汽车。如果你施加一个力量在汽车上，并且没有其他相等且相反的力量作用于它，那么汽车将开始移动。这个场景体现了不平衡力的概念，因为你施加的力量大于对抗的力量，例如摩擦力。结果是产生一个净力，使汽车朝你推的方向加速。相反，如果两个人用相等的力量推汽车的两侧，力量就会互相抵消，导致没有运动。在这种情况下，没有不平衡力，汽车保持静止。不平衡力的影响不仅限于日常场景；在各种运动和活动中也显而易见。例如，当一名足球运动员奔跑并改变方向时，他们利用肌肉产生不平衡力，使他们能够有效地加速和操控。同样，当一名篮球运动员跳起来投篮时，他们腿部产生的力量必须克服作用在他们身上的重力。在这里，运动员向上的力量在短暂的时间内被重力所不平衡，使他们能够离开地面。理解不平衡力对于分析更复杂系统中的运动至关重要。例如，在工程学中，设计师在创建桥梁或建筑物时必须考虑不同力量之间的相互作用。如果这些结构上作用的力量不平衡，可能会导致灾难性的失败。总之，不平衡力的概念在物理学和运动研究中至关重要。它帮助解释了物体为什么以及如何根据作用在其上的净力移动或保持静止。识别各种情况下的不平衡力使我们能够更好地理解我们周围的物理世界，从简单的日常活动到复杂的工程挑战。通过掌握这一概念，我们可以欣赏力与运动之间复杂的关系，从而更深入地理解支配我们宇宙的物理法则。