The joule is said to be a derived unit, in that it is obtained from the base units kilograms, meters, and seconds. It can be regarded as a newton-meter — a force of 1 newton exerted over a distance of 1 meter (3.3 feet). Since the newton is itself a derived unit, a joule can...
Joule. Like all SI units, the letter of its symbol is written in upper case, yet is in lowercase when it is spelled out in English. Advertisements Techopedia Explains Joule A joule is defined as the amount of energy transferred to an object when a force of one newton acts on the ...
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 ...
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...
The joule (symbol: J) is the basicSI unitofenergy. A joule is equal to thekinetic energyof a kilogrammassmovingat the speedof one meter per second (one joule is a kg⋅m2⋅s−2). Alternatively, it is the amount of work done on an object when a force of onenewtonacts in the...
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one derived unit is the newton, which can be expressed in terms of base units as 1 kg m/s2. Other derived units include the hertz, the pascal (unit of pressure or stress), theohm, thefarad, the joule, the coulomb, the tesla, the lumen, the becquerel, the siemens, the volt and th...
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The erg is a unit of energy equal to 10−7 joules (100 nJ). It originated in the centimetre–gram–second (CGS) system of units. Joule The International System unit of electrical, mechanical, and thermal energy, equal to the work done when a force of one newton acts through a distanc...
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