The power is the rate at which work is accomplished, option is correct.
Further Explanation:
The power is the rate of transformation energy which is used by another body.
The power is the quantity with only magnitude so it is a scalar quantity. <u>The standard of international unit is watt, it is also written as J/s</u>. The standard of international unit watt in honor of James Watt.
A quantity is said as a vector if it has some magnitude and direction in order to give the details regarding the quantity.
A quantity is said as a scalar if it has only the magnitude in order to give the details regarding the quantity.
Concept:
The term power is defined as “The rate at which the work is finished or the energy is transferred from one place to another or transformed into another form.”
The term energy is defined as the capacity to do work or result in some displacement by applying some force.
The expression for power is:
Here, is the power, is the change in energy and is the change in the time.
Therefore, the power is the rate at which work is accomplished, option is correct.
Learn more:
1. Work and power brainly.com/question/9566221
2. Calculate power brainly.com/question/2829572
3. Energy and SI unit https://brainly.in/question/1227001
Answer Details:
Grade: Middle school
Subject: Physics
Chapter: Kinematics
Keywords:
Define, power, quantity, work, accomplished, direction, total distance, object, moved, rate, option, D.