acoustic signals transmitted between oil -immersed acoustic waveguides [AWG] correlated fairly well [20 to 70%] with daily tidal levels controlled by the sun and moon's gravitational forces on earth. Consequently, it is reasoned, the AWG measurements are also in some sense or degree related ...
gravitational forces───万有引力,地心引力;重力 gravitational field───[力]引力场,[地物]重力场 gravitational wave───[相对][天]引力波;[物]重力波 gravitational fields───[力]引力场,[地物]重力场 gravitational lenses───重力透镜 gravitational masses───[物]引力质量 gravitational lens──...
Question 5The Earth and the Moon both exert gravitational forces on objects in their vicinity. Imagine a line joining the Earth to the Moon, and extending to either sid e. as shown below (not to scale). Consider placing an object along this lin e. Where along this line is the net grav...
英:[ˌgrævɪˈteɪʃənl] 美:[ˌɡrævɪˈteɪʃənl] gravitational是什么意思 adj.重力的;引力作用的 gravitational自然拼读 grav·i·ta·tion·al graevihteIshnl gravitational词根 词根:gravity adj. gravitative受重力作用的;万有引力的 ...
(C)The gravitational forces between the Earth and the Moon cause some interesting effects.The most obvious is the tides. The Moon's gravitational attraction is stronger on the side of the Earth nearest to the Moon and weaker on the opposite side. Since the Earth, and particularly the oceans...
It is directly proportional to the two masses (Earth and the object) and inversely proportional to the distance between them.What is the Gravitational Pull? Physics describes four fundamental forces of nature: the weak force (nuclear interaction responsible for particle decay), the strong nuclear ...
4.These processes derive their energy from the Sun and thegravitationalforces of the planet itself. (阅读 托福-11)您的浏览器不支持 audio 标签。 这些地质过程从太阳和行星自身的引力中获得能量。 5.These processes derive their energy from the Sun and thegravitationalforces of the planet itself. (阅...
Like all forces, a gravitational force produces an acceleration, as expressed by Isaac Newton's second law F = ma. Recall that Newton's second law states that, in an inertial frame of reference (a coordinate system moving at a constant velocity), the net force on a body causes that body...
The acoustic field has also been combined with gravitational forces (Ac–Gr/FoFFF), analogous to Dl–Gr/FoFFF, described above. The magnitude of the acoustic force depends on the particle size, density, and compressibility, which again suggests the possibility of separations based on the ...