aseconds left 支持得左[translate] achicechice chicechice[translate] aWhat is the relationship among an object’s mass, an object’s acceleration, and the net force on an object 什么是关系在对象的大量、对象的加速度和净力量之中在对象[translate]...
Mass is a measure of the amount of matter in an object. What is the SI unit of mass? A. gram B. kilogram C. pound D. ounce 相关知识点: 试题来源: 解析 B。A 选项 gram 克,不是国际单位制中的基本单位;C 选项 pound 磅和 D 选项 ounce 盎司都是英制单位;B 选项 kilogram 千克是国际...
9 What describes the mass of an object? C A the force the object experiences due to gravity B the momentum of the object before a collision C the resistance of the object to changes in motion D the weight of the object as measured by a balance 相关知识点: 试题来源: 解析 C 反馈...
百度试题 结果1 题目18. What is the mass of Object D?D350g350 g△Answer::700g 相关知识点: 试题来源: 解析 700 反馈 收藏
If the mass of an object doubles and the force remains the same, what happens to the acceleration? A. Doubles B. Halves C. Remains the same D. Quadruples 相关知识点: 试题来源: 解析 B。原因:根据牛顿第二定律 F = ma,当 F 不变,m 变为原来的两倍时,a 变为原来的一半。
When an object goes through a continual series of state changes over time,dynamic simulationcalculates and animates the results for analysis over multiple points in the duration. An example is increased stress exerted on a part as load mass increases (a tank filling with water). ...
If an object of mass m attached to a light spring is replaced by one of mass 9m, the frequency of vibrating system changes by what multiplication factor?( ) A.1/9 B.9.0 C.1/3 D.3.0 E.6.0 点击查看答案&解析
In an experiment, we need to measure the mass of an object. What tool do we use? A. ruler B. thermometer C. balance D. stopwatch 相关知识点: 试题来源: 解析 C。测量物体质量使用天平(balance)。选项 A“ruler”是尺子;选项 B“thermometer”是温度计;选项 D“stopwatch”是秒表。
When an object goes through a continual series of state changes over time,dynamic simulationcalculates and animates the results for analysis over multiple points in the duration. An example is increased stress exerted on a part as load mass increases (a tank filling with water). ...
In a conservative system in which only the conservative force or forces work, the total kinetic energy (the potent energy plus the kinetic energy) of an object always remains constant.Answer and Explanation: Given The mass of the obje...