resistance of friction
简明释义
摩擦阻力
英英释义
The resistance of friction refers to the force that opposes the relative motion or tendency of such motion of two surfaces in contact. | 摩擦的阻力是指反对两个接触表面相对运动或这种运动倾向的力。 |
例句
1.The resistance of friction 摩擦阻力 affects how quickly an object can slide across a surface.
在物体滑过表面时,摩擦阻力影响其滑动速度。
2.Understanding the resistance of friction 摩擦阻力 can help in optimizing machine efficiency.
理解摩擦阻力可以帮助优化机器效率。
3.The engineer calculated the resistance of friction 摩擦阻力 when designing the new roller coaster.
工程师在设计新的过山车时计算了摩擦阻力。
4.The scientist studied the resistance of friction 摩擦阻力 in different materials to improve performance.
科学家研究了不同材料的摩擦阻力以提高性能。
5.In a car's braking system, the resistance of friction 摩擦阻力 is crucial for stopping the vehicle safely.
在汽车的制动系统中,摩擦阻力对于安全停车至关重要。
作文
Friction is a fundamental force that we encounter in our daily lives. It is the resistance that one surface or object encounters when moving over another. This phenomenon is known as the resistance of friction (摩擦阻力). Understanding the resistance of friction is crucial not only in physics but also in engineering, mechanics, and various applications in everyday life. In this essay, we will explore the nature of friction, its types, and how the resistance of friction affects motion and efficiency.Friction can be categorized into two primary types: static friction and kinetic friction. Static friction occurs when two surfaces are not moving relative to each other. It is the force that must be overcome to start moving an object. On the other hand, kinetic friction occurs when two surfaces slide against each other. The resistance of friction plays a significant role in determining how easily an object can be set in motion and how it behaves once it is moving.The amount of resistance of friction depends on several factors, including the nature of the surfaces in contact, the weight of the objects, and the presence of any lubricants. For instance, a rough surface will create more friction than a smooth one, leading to a higher resistance of friction. This is why it is often easier to push a heavy box across a polished floor than on a gravel surface. Additionally, the weight of the object influences the force of friction; heavier objects tend to have a greater resistance of friction due to the increased normal force acting between the surfaces.In engineering, understanding the resistance of friction is essential for designing machinery and vehicles. Engineers must calculate the frictional forces to ensure that machines operate efficiently and safely. For example, in the automotive industry, the resistance of friction between tires and the road surface is critical for vehicle performance. If the friction is too low, it can lead to skidding and loss of control, while excessive friction can cause wear and tear on the tires and reduce fuel efficiency.Moreover, the resistance of friction is not only a hindrance; it can also be beneficial. For instance, walking would be impossible without friction. The resistance of friction between our shoes and the ground allows us to push off and maintain our balance. Similarly, in sports, athletes rely on the resistance of friction to gain traction and perform at their best.In conclusion, the resistance of friction (摩擦阻力) is a vital concept that impacts various aspects of our lives, from the simple act of walking to the complex functioning of machines. By understanding the principles behind friction and its effects on motion, we can better appreciate the role it plays in our daily activities and technological advancements. Whether we are designing new products or simply trying to understand how to move objects more effectively, recognizing the significance of the resistance of friction will enhance our knowledge and capabilities in both practical and theoretical contexts.
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