xerted by gravity on an object is equal to its volume. 相关知识点: 试题来源: 解析 B。解析:“The results of our experiment showed that the force exerted by gravity on an object is directly proportional to its mass.”说明重力对物体的作用力与物体的质量成正比。反馈 收藏 ...
Gravity: Did You Know? Gravity Varies Across Earth's Surface The force of gravity is not the same everywhere on Earth. It is slightly weaker at the equator due to the centrifugal force caused by Earth's rotation and the fact that the Earth is not a perfect sphere but an oblate spheroid...
What are Forces？(力的相互作用-美国康菲尔高中)
What is gravity? A. A force that pulls things towards the center of the earth. B. A force that pushes things away from the earth. C. A force that makes things float. 相关知识点: 试题来源: 解析 A。重力是使物体向地球中心吸引的力。不是推开物体或使物体漂浮。
What force is explained by general relativity? General relativity explains gravity, and in this theory, it is not really a "force" anymore. The gravitational field comes out of the description of general relativity as a result of the curved spacetime. ...
C。解析:Newton's law of universal gravitation states that every particle attracts every other particle in the universe with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them. 牛顿万有引力定律指出,宇宙中的每个...
What Is Gravity? By: Julia Layton & Austin Henderson | Updated: 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...
What is the force that keeps the planets in orbit around the sun? A. Gravity B. Magnetic force C. Electrical force D. Friction 相关知识点: 试题来源: 解析 A。引力使行星围绕太阳运行。选项 B 磁力不是使行星围绕太阳运行的力。选项 C 电力不是使行星围绕太阳运行的力。选项 D 摩擦力不是使行星...
What if Gravity is not a Fundamental Force? | Entropic Gravity: With Matthew O'Dowd. Matt explains how to derive Newtonian Gravity from Thermodynamics.
what caused the stars what city is this what class what color is the sky what color is your mi what did you learn in what did you treat hi what discovered atoms what do i do now what do i do to make what do we learn in p what do you do if you what do you intend to what...