Joule is the unit of energy used by the International Standard of Units (SI). It is defined as the amount of work done on a body by a one Newton force that moves the body over a distance of one meter. Wait a minute … is it a unit of energy or a unit of work? Actually, it ...
百度试题 结果1 题目The unit of energy is ___. A. newton B. joule C. watt D. ampere 相关知识点: 试题来源: 解析 B。能量的单位是焦耳(joule)。牛顿(newton)是力的单位,瓦特(watt)是功率单位,安培(ampere)是电流单位。反馈 收藏
When we push a box, we are applying a force. What is the unit of force? A. joule B. watt C. pascal D. newton 相关知识点: 试题来源: 解析 D。A 选项 joule 是焦耳,是能量的单位;B 选项 watt 是瓦特,是功率的单位;C 选项 pascal 是帕斯卡,是压强的单位;D 选项 newton 是牛顿,是力的...
What instrument is used to measure the average kinetic energy in a substance? Is a Joule a unit of energy? Which of the four fundamental forces is kinetic energy? Kinetic energy differs from chemical energy in that What SI unit is used to measure mechanical energy?
Which of the following is not a unit of force? A. Newton B. Joule C. Dyne D. Pound 相关知识点: 试题来源: 解析 B。牛顿(Newton)、达因(Dyne)、磅(Pound)都是力的单位,而焦耳(Joule)是能量单位。本题涉及力的单位的物理知识,阅读技巧是区分不同物理量的单位。
Joule is a standard unit of measurement for work or energy used in electricity, mechanics, thermal energy and general scientific applications. The unit is named in recognition of British physicist James P. Joule. Like all SI units, the letter of its symbol is written in upper case, yet is ...
Although a joule is 1 newton-meter, energy is not normally referred to using the latter unit, to avoid confusion with the unit of measure for torque, or moment of force, which has to do with rotational motion. Force, Work, Energy and Power There is often some confusion between these te...
Is a Joule a unit of energy? The position in function to the time of an object is given by x(t) = A cos(w t) if the amplitude is 2.04 m, and the frequency is 1.4 Hz, what is the object position after 7.61 seconds? Is motion possible without applied force?
Is joules a unit of force? joule, unit of work or energy in the International System of Units (SI);it is equal to the work done by a force of one newton acting through one metre. Named in honour of the English physicist James Prescott Joule, it equals 107ergs, or approximately 0.7377...
Ohm (Ω):A unit of electrical resistance, showing how much a material resists the flow of electric current. Joule (J):A unit of energy, representing the amount of work done when a force of one newton moves an object through a distance of one metre. ...