百度试题 结果1 题目The force of gravity makes things fall ___. A. up B. down C. left D. right 相关知识点: 试题来源: 解析 B。因为重力的作用是使物体向下落。反馈 收藏
The force of gravity makes things fall to the ground. “gravity” means ___. A. heavy B. weight C. pull D. attraction 相关知识点: 试题来源: 解析 D。“gravity”是重力,即一种吸引力,与“attraction”意思相符。“heavy”是重的;“weight”是重量;“pull”是拉。反馈...
“gravity” means___.In this passage, the word “gravity” means___.A. the pull of everything.B. the force of attraction(吸引) among objects.C. the force which attracts objects towards the centre of the earth D. the force which attracts the E. arth towards the sun.答案：C ...
The influence of the force of gravity on the circulation. Part II. J Physiol 21: 328-352, 1897.HILL, L.; BARNARD, H.: The Influence of the Force of Gravity on the Circulation. Part II. Journal of Physiology. Proceedings of the Royal Society of London XVIII, 20 May (1895), 323- ...
What can we say about the force of an object when the mass increases and acceleration remains constant? Acceleration and Mass The acceleration of a particle is defined as the rate of change of the velocity of the particle with respect to time. According to...
结果1 题目The force of gravity makes objects ___. A. fly B. float C. fall D. rise 相关知识点: 试题来源: 解析 C。解析:重力使物体落下,fall 正确。A 选项 fly 飞;B 选项 float 漂浮;D 选项 rise 上升都与重力作用不符。反馈 收藏 ...
A. restrictive relative B. non-restrictive relative C. adverbial clause D. noun clause 相关知识点: 试题来源: 解析 B。非限定性定语从句,对先行词“force of gravity”进行补充说明,关系代词 which 引导非限定性定语从句,在从句中作主语。反馈 收藏 ...
When the structure (the skull, spine, pelvis, and bones) are not aligned, the muscles have to support us against the force of gravity. With so many things misaligned, comes a war of muscles and contractures that fatigue and tire causing discomfort in any position (standing, sleeping, ...
A stone of mass 5.0 kg is dropped from a height of 2.0 m above the ground and falls freely under the action of gravity. Neglect the air resistance acting on the stone. Calculate the work done by the force of gravity on the st...
Answer to: The force of gravity on the Moon is said to be 1/6th of that on the Earth . What would be the mass of 12kg weighed on the surface of the...