Which of the following factors affect pressure? A. Force only. B. Area only. C. Force and area. D. Temperature only. 相关知识点: 试题来源: 解析 C。解析:压强等于压力除以受力面积,所以压力和面积都会影响压强。A 和 B 选项单独不全面;D 选项温度不直接影响压强。本题考查压强的影响因素以及英语...
百度试题 结果1 题目A.pressB.pressureC.powerD.force 相关知识点: 试题来源: 解析 B 考查名词辨义与上下文理解。press媒体,按,压,繁重;pressure压力;power权力,力量;force迫使,力量。由于后面一句紧跟着出现了pressure on这一搭配,因此此处也选pressure。反馈 收藏 ...
The force that causes air to move from high - pressure areas to low - pressure areas is ___. A. gravity B. wind C. convection D. radiation 相关知识点: 试题来源: 解析 B。解析:风是促使空气从高压区向低压区移动的力量。选项A重力是地球对物体的吸引,与空气从高压向低压移动的这种现象无直接...
current electricity laws of physics ohm's law newton's laws of motion archimedes principle doppler effect kirchhoff's law law of reflection ampere's law faraday's law bernoulli's principle lenz's law si unit list unit of pressure viscosity unit unit of power density units unit of energy unit...
Class 9PHYSICSFORCE AND LAWS OF MOTION Topper's Solved these Questions FORCES AND ITS TYPES (FRICTIONAL FORCE, GRAVITATIONAL FORCE, THRUST AND PRESSURE)BOOK - AGRAWAL EXAM CART BIHARCHAPTER - FORCES AND ITS TYPES (FRICTIONAL FORCE, GRAVITATIONAL FORCE, THRUST AND PRESSURE)EXERCISE - JNV Previous ...
current electricity laws of physics ohm's law newton's laws of motion archimedes principle doppler effect kirchhoff's law law of reflection ampere's law faraday's law bernoulli's principle lenz's law si unit list unit of pressure viscosity unit unit of power density units unit of energy unit...
pressure[`prZFL]the force produced within a place by the gas or liquid inside it; a difficult situation that may cause great worry n.[U]氣壓,液壓;壓力 ●This high-pressure cleaning machine should only be used by an expert.這種高壓清潔機器只能由專家操作。 ●The need to memorize so much ...
and astronomers have conducted extensive observations of them. One possible class of black holescomprisesvery large stars that have used up all of theirnuclear energyso that they are no longer held up byradiation pressureand have collapsed into black holes (less-massive stars may collapse intoneutro...
= 2 Kg × 8 m/s2 = 16 Kgm/s2 = 16 N. Q.3) A hammer having a mass of 1 kg going with a speed of 6 m/s hits a wall and comes to rest in 0.1 sec. Compute the obstacle force that makes the hammer stop. Solution:
articles thrust and pressure fluid pressure hydrostatic pressure properties of fluids types of force applications of buoyancy buoyancy(upthrust) makes it possible for swimmers, fishes, ships, and icebergs to stay afloat. some applications of buoyancy are given in the points below. hot air balloon...