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The joule is the unit of energy in the International System of Units, also known as SI. It measures heat, electricity and mechanical work. It was named after English physicist James Prescott Joule. See the related links for more information.
The joule is a derived unit equivalent to a newton-meter, or a kilogram-meter squared per second per second.
A joule is also:
- A unit of electrical energy equal to the work done when a current of one ampere is passed through a resistance of one ohm for a period of time of one second.
- A unit of energy equal to the work done when a force of one newton* acts through a distance of one meter.
[* In the meter-kilogram-second (MKS) system, a newton is the unit of force required to accelerate a mass of one kilogram one meter per second per second, equal to 100,000 dynes. The unit is named after Sir Isaac newton.]
Wiki User
∙ 7y ago
Wiki User
∙ 14y agoYes...YES...YES!!!!!!!!!, the joule is the SI unit for energy.
A joule is the amount of energy it takes to move an object that weights one newton (about 100 grams) up to a height of one meter. There are 4.14 joules in 1 calorie (foods, fish, your mom)
Wiki User
∙ 11y agoThe joule is the SI unit for energy.
The unit of power is the watt (W), which is equal to one joule per second.
Both the joule and the watt are derived units. (They are both surnames so their symbols are always capitalised: J and W.)
For the pure physics geeks:
a joule is m2 kg s-2 and
a watt is m2 kg s-3
Wiki User
∙ 8y agoIn s.I. system of units 'joule' is the unit meant for energy or work performed. Moreover in case of energy transactions such as excitement of atom we use smaller unit 'electron volt' as the unit of energy which equals to 1.602 x 10^-19 J (joule)
Wiki User
∙ 11y agoThe joule is an SI unit!
Wiki User
∙ 13y agoWhile a joule is part of the International System of units, it is a derived unit not a base unit.
Wiki User
∙ 15y agoUnits equivalent to Joule or energy are; Newton Meter (Nm), foot pound (f#) and electron volt (ev).
Wiki User
∙ 14y agoWork. Joule is equivalent to Ws (Wattsecond) and Nm (Newtonmetre).
Wiki User
∙ 13y agoA Joule in SI base units is:
1 kg · m2/s2
Wiki User
∙ 12y agokg*m^2*s^-2 or kilogram metre squared per second squared.
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Energy and work are measured in the SI unit called the?
Energy and work are measured in joules.
Power is measured with what unit of energy?
Power and energy are different physical quantities. They have their own units in SI system Unit of energy is joule and that of power is watt. Of course electrical energy is measured as kW h
What is a quantity that can be measured?
Physical quantities are quantities that can be measured. For example: water, distance, etc.
When work is measured in joules and time is measured in seconds power is measured in what unit?
Watts. A watt is a joule per second.
What unit measured energy?
The international unit for energy is the joule.
What are quantities for a joule?
Joule is a unit of work, and of energy.
What is the difference of work and joule?
With customary allowances for grammar, there's no difference. "Joule" is a unit used to describe quantities of work or energy.
What is the unit of measurement used to express the energy emitted per second?
Power. In SI, energy is measured in Joule, and power is measured to watts (= Joule per second).Power. In SI, energy is measured in Joule, and power is measured to watts (= Joule per second).Power. In SI, energy is measured in Joule, and power is measured to watts (= Joule per second).Power. In SI, energy is measured in Joule, and power is measured to watts (= Joule per second).
Energy and work are measured in the SI unit called the?
Energy and work are measured in joules.
Power is measured with what unit of energy?
Power and energy are different physical quantities. They have their own units in SI system Unit of energy is joule and that of power is watt. Of course electrical energy is measured as kW h
What is a quantity that can be measured?
Physical quantities are quantities that can be measured. For example: water, distance, etc.
Heat is measured in newtons?
False. Heat is energy, and is measured in Joules. One joule equals one newton∙meter.
Is mass measured in joules?
No, a Joule is a unit of energy. Mass is measured in kilograms (or grams)
When work is measured in joules and time is measured in seconds power is measured in what unit?
Watts. A watt is a joule per second.
What unit measured energy?
The international unit for energy is the joule.
What are energy measured in what?
The SI unit for work and energy is the joule.
In what unit is energy measured?
The SI unit for energy is the joule.
