Test your knowledge on Gravity Put your understanding of this concept to test by answering a few MCQs. Click ‘Start Quiz’ to begin! Select the correct answer and click on the “Finish” button Check your score and answers at the end of the quiz...
A. theory B. idea C. thought D. opinion 相关知识点: 试题来源: 解析 A,“theory”侧重于有系统的、经过论证的理论;“idea”表示想法、主意,较宽泛;“thought”指思考、想法;“opinion”侧重个人的看法、意见。在科学领域,“重力的理论”用“theory”更准确。
In 1632 he put forward the concept of gravity and created the law of gravitational force, which helped other physicists at the time discover the workings of the solar system. Before gravity was discovered, the Greeks believed that the solar system was controlled by a god and followed a natural...
A unified theory of gravity could be the key to solving other big questions in the universe as well—like how the Big Bang began or what makes up dark matter. Yet, while both ideas have their own merit in theory, actually being able to detect the small effects of gravity on the ...
根据“Gravity, the invisible force that keeps our feet on the ground, is a basic concept in physics. Understanding gravity is important in unlocking the secrets of the universe.”可知,文章通过给出重力的定义来引出话题,故选C。 (2)题详解: 细节理解题。根据“That’s why astronauts feel ...
sep 5, 2023 gravity keeps the moon where it's supposed to be— in orbit. peepo / getty images gravity is a force that we experience every day, yet it remains somewhat of a mystery. it's the reason we stay grounded on earth and why objects fall when dropped. although there are ...
So, for example, if gravity is a manifestation of the curvature of space-time, and space-time itself is emergent, then gravity too is emergent and not a fundamental force. A concept that has taken root in modern physics characterizes gravity, both Newtonian and Einsteinian, as a force whose...
Explain the concept of weightlessness. When a body is held at its centre of gravity, at what position does it stop? If dark matter is matter, why is it not affected by gravity? When a body is held at its center of gravity, at what position does it stop?
the grain farmer the grand alliance the grand canyon is a the grand cherokee ca the grand hospitaller the graphics blanking the grave the gravity field and the great atlantic pa the great basement es the great belt the great business wo the great communicato the great dictator is the great ...
a牛顿的万有引力概念是所有科学中最实用的概念之一。牛顿认为万有引力是所有物质的基本特征,这成为大部分物理科学的理论基石。 Newton's gravitation concept is in all science one of most practical concepts.Newton thought the gravitation is the all material basic characteristic, this becomes the majority of...