and the wholecosmos. On Earth all bodies have aweight, or downward force of gravity, proportional to their mass, which Earth’s mass exerts on them. Gravity is measured by the acceleration that it gives to freely falling objects. AtEarth’s surface the acceleration of gravity is about 9.8 ...
Gravity is a force that pulls objects toward each other.It’s why things fall to the ground when you drop them. On Earth, gravity pulls everything toward the planet’s center, so we stay on the ground instead of floating into space! Gravity also keeps the planets in our solar system or...
It is shown that using changes in the planet's rotation speed, one can easily control gravity on the surface of any planet, including the Earth. The acceleration of rotation will lead to a decrease in gravity on the surface of the planet, up to a state of weightlessness; and slowing ...
ThegravityonthesurfaceofMarsisabout___asstrongasitisontheearth.相关知识点: 试题来源: 解析 A: 正确 onethird B: 错误 twothirdsC: 错误 aquarterD: 错误 ahalf此题答案为:A 火星表面的引力约为地球表面的三分之一。故答案为A项,A项意为“三分之一”,B项意为“三分之二”,C项意为“四分之一”...
百度试题 结果1 题目2. The gravity(重力) on the surface ()of Mars is not as strong as it is on the earth. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
考查代词辨析。it“它”,指代同一事物;one指同类事物中的“一个”;he他,人称代词主格。根据“The gravity on the surface of Mars is not as strong as ... is on earth.”可知,此处是火星表面的重力与地球上的相比,为同一事物,故空处应用it指代前面的“gravity”。故选A。反馈 收藏 ...
完成句子1. The gravity on the surface of Mars is aboutas it ison the earth. ( strong)火星表面的引力大约是地球表面引力的三分之一。2.It is reported that the United States usesthe wholeof Europe.( much, as)据报道,美国使用的能源是整个欧洲的两倍。
The gravity on the surface of Mars i about two-fifths as strong as it is on the earth.“火星表面引力的强度大约是地球表面引力的五分之二。53% as wide as意为“相当于……53%的宽度”。twofifths as strong as 意为“相当于……五分之二的强度”。结构:“百分数/分数/倍数等+as+形容词/副词+...
The gravity on the surface of Mars is about ___ as strong as it is on earth.So a person who weighs 90 kilos on earth weighs only 36 kilos ___ Mars.( ) A. two-fifth,in the B. two fifths,on the C. two-fifths,on 相关知识点: 试题来源: 解析 解:"五分之二"表达为two-fif...
The gravity on the surface of Mars is about ___ as strong as it is on the earth. 相关知识点: 试题来源: 解析 A: 正确 one third B: 错误 two thirdsC: 错误 a quarterD: 错误 a half答案:A解析:火星表面的引力约为地球表面的三分之一。故答案为A项,A项意为“三分之一”,B项意为“三分...