Advertisements
Advertisements
प्रश्न
Is power a scalar or a vector quantity?
Advertisements
उत्तर
Power is a scalar quantity.
संबंधित प्रश्न
Work done = Force × ........................................
The energy of a body is its capacity to do .........
How much work is done when a body of mass m is raised to a height h above the ground?
Fill in the blank with suitable word :
1 joule is the work done when a force of 1 __________ moves an object through a distance of one __________ in the direction of __________.
A uniform circular motion is an accelerated motion. Justify it.
A girl of mass 50 kg runs up a flight of 40 steps in 20 seconds. If each step in 20 cm high, calculate the power developed by the girl. (g= 10 ms-2).
Give an example
Chemical energy changes to heat energy.
State larger units of power.
A man squatting on the ground gets straight up and stand. The force of reaction of ground on the man during the process is ______.
