centrifugal force

简明释义

离心力

英英释义

例句

1.Riders on a merry-go-round experience centrifugal force (离心力) pushing them outward.

旋转木马上，骑乘者会感受到centrifugal force (离心力)将他们向外推。

2.In a washing machine, clothes are spun around rapidly, and the water is expelled due to centrifugal force (离心力).

在洗衣机中，衣物快速旋转，水被排出是由于centrifugal force (离心力)的作用。

3.During a roller coaster ride, the feeling of being pushed to the side is caused by centrifugal force (离心力).

在过山车上，被推向一侧的感觉是由centrifugal force (离心力)造成的。

4.When a car turns sharply, the passengers feel a push against the door due to centrifugal force (离心力).

当一辆车急转弯时，乘客会感到一种推向车门的力量，这是由于centrifugal force (离心力)造成的。

5.The centrifugal force (离心力) keeps the planets in orbit around the sun.

太阳系中的行星绕着太阳运行是因为centrifugal force (离心力)的作用。

作文

The concept of centrifugal force (离心力) is often misunderstood, yet it plays a crucial role in various physical phenomena and everyday experiences. To grasp the essence of this force, we must first explore its definition and applications in our daily lives. Centrifugal force is an apparent force that acts outward on a body moving around a center, arising from the body's inertia. This concept becomes particularly clear when considering a rotating system, such as a merry-go-round or a spinning wheel.Imagine a child playing on a merry-go-round. As the ride spins faster, the child feels pushed outward, away from the center of the circle. This sensation is due to centrifugal force (离心力), which is not a real force in the traditional sense but rather a result of inertia—the tendency of an object to resist changes in its state of motion. The child’s body wants to continue moving in a straight line, but the structure of the merry-go-round forces them to follow a circular path. Consequently, they experience an outward push, which we refer to as centrifugal force.This phenomenon can also be observed in numerous practical applications. For instance, in the field of engineering, centrifugal force is utilized in devices like centrifuges, which are used to separate substances of different densities. In a centrifuge, samples are spun at high speeds, causing denser materials to move outward and settle at the bottom of the container, while lighter substances remain closer to the center. This separation process is fundamental in laboratories for tasks such as blood testing and chemical analysis.Moreover, centrifugal force (离心力) is essential in the design of amusement park rides. Engineers must consider this force when creating roller coasters and other thrill rides to ensure safety and enhance the experience. Riders often feel a rush as they are propelled outward during sharp turns and loops, a direct consequence of the centrifugal force acting on their bodies. Understanding this force allows engineers to design rides that maximize excitement while minimizing risks.In addition to its applications in engineering and entertainment, centrifugal force also has implications in natural phenomena. For example, the rotation of the Earth creates a centrifugal force that affects the shape of our planet. The Earth is not a perfect sphere; instead, it bulges slightly at the equator due to the outward pull of this force. This effect is why the equatorial diameter is larger than the polar diameter, leading to a geoid shape that influences global navigation systems.Furthermore, centrifugal force can be observed in weather patterns, such as cyclones. As air moves towards the center of a low-pressure system, it experiences a balance between the inward pull of pressure gradient forces and the outward push of centrifugal force. This dynamic interaction helps to create the swirling motions characteristic of these powerful storms.In conclusion, understanding centrifugal force (离心力) enhances our comprehension of both everyday experiences and complex scientific principles. From playgrounds to laboratories and even the natural world, this force plays a significant role in shaping our reality. By recognizing the impact of centrifugal force, we can appreciate the intricate balance of forces that govern motion and stability in our universe.