物理技巧

【搶眼標題】近半內地生願投考公務員,卻少過三成DSE畢業生有此心?!

政府為了盡早網羅人才,宣佈大學三年級學生已准考政務主任(AO)、行政主任(EO)等職位。究竟公務員對於應屆文憑試(DSE)考生的吸引力有多大?近日有調查發現,不足3成DSE畢業生會優先考慮投考公務員,有意投考紀律部隊的更不足一成。不過按出生地分析,內地出生的受訪者有近半有意投考公務員,考慮投考紀律部隊的亦有逾2成。…

“驚人調查:六成DSE考生不支持內地生報考!揭露更多令人意想不到的調查結果!”

【明報專訊】「青年新世界」在5月18日至23日,以真人電話問卷調查訪問367名應屆中學文憑試(DSE)考生會員,了解香港青年對人才及勞工短缺、放寬人才來港升學等議題的意見。被問到近年DSE考生人數持續下降,是否支持推出更多措施吸引包括內地港人子女在內的內地學生報考DSE,近六成人傾向不支持,7.7%的人稱「不知道/難講」,機構稱結果反映受訪者或擔憂在現行考試機制下個別學科表現受影響。

Exploring the Cosmos: The Wonders of Astronomy

Astronomy: The Fascinating Field That Dates Back to Early Civilizations

Astronomy, the scientific study of celestial objects and phenomena, is one of the oldest and most fascinating fields of study known to humankind. This scientific discipline dates back to ancient civilizations, as early as 3500 BCE when the Babylonians started tracking the motions of the planets. Since then, this field has been continually evolving thanks to the contributions of astronomers such as Galileo, Kepler, and Newton, among many others.

Nowadays, modern astronomy involves the use of advanced technology like telescopes, satellites, and computer simulations to inspect everything from the behavior of dark matter and energy, the properties of distant stars and galaxies, and the search for extraterrestrial life. This frontier has excited many scientists due to its vast possibilities. As we set foot into the future, who knows what we might find?

Apart from its scientific significance, astronomy has played an essential role in human culture and history. Many cultures relied on celestial movements to create calendars and track time. The movements of the stars and planets figure prominently in various religious and spiritual believes. Today, we continue this tradition by naming stars, planets, and asteroids after influential historical figures and noteworthy people in popular culture.

Overall, astronomy is a rich and diverse field that continues to uncover fascinating discoveries. It represents humankind’s never-ending quest for knowledge about the universe and our place within it. It’s a remarkable thought to consider that our curiosity and passion for astronomy have remained intact since the early civilizations that stood before us. So, let’s keep exploring the night sky, for there’s always more to uncover.

Newton’s First Law, also known as the Law of Inertia, is a foundational concept in physics that describes how objects behave when no forces are acting upon them. This law states that an object at rest will remain at rest, and an object in motion will continue to travel in a straight line at a constant speed, unless acted upon by an external force. In other words, an object will only change its state of motion when a net force is applied to it. This law is important because it helps explain how objects move, and how they resist changes in motion. It also has practical applications, such as understanding how seat belts and airbags work to protect passengers in a car during a collision. Newton’s First Law may seem basic, but it lays the groundwork for many other principles in physics, such as Newton’s Second and Third Laws of Motion. These laws help scientists and engineers understand and design the technology we use every day, from the cars we drive to the planes we fly in. In conclusion, Newton’s First Law is a fundamental concept that helps explain how objects move and how they resist changes in motion. Its implications reach far beyond the field of physics, and provide the basis for much of the technology we rely on in modern society.

Newton’s First Law – The Fundamental Concept in Physics

Newton’s First Law, also known as the Law of Inertia, is one of the most fundamental concepts in physics. It describes the behavior of objects when no forces are acting upon them. According to this law, an object at rest will remain at rest, and an object in motion will continue to travel in a straight line at a constant speed unless acted upon by an external force.

This law may seem simple, but it has many practical applications. It helps scientists and engineers understand how objects move and how they resist changes in motion. For example, it is the reason why seat belts and airbags work to protect passengers during a car collision. The law explains that an object in motion will remain in motion unless acted upon by an external force, which means that without a seat belt, a passenger will continue to move forward at the same speed even after the car comes to a sudden stop.

Furthermore, Newton’s First Law lays the groundwork for Newton’s Second and Third Laws of Motion, which describe how forces act on objects to change their motion. These laws are essential in designing and understanding the technology we use every day, from the cars we drive to the planes we fly in.

In conclusion, Newton’s First Law is a fundamental concept in physics that has far-reaching implications beyond understanding how objects move. It has practical applications and provides the basis for much of the technology we rely on today. Without Newton’s First Law, our understanding of the world and the technology that surrounds us would be vastly different.