Advertisements
Advertisements
प्रश्न
state the unit of energy.
Advertisements
उत्तर
The SI unit of work is ‘joules’ and the CGS unit is ‘erg’.
संबंधित प्रश्न
What is the work done by the moon when it revolves around the earth?
A man lifts a mass of 20 kg to a height of 2.5 m. Assuming that the force of gravity on 1 kg mass is 10 N, find the work done by the man.
MULTIPLE CHOICE TYPE
In an electric cell which in use, the change in energy is from:
How many watts equal one horse power?
What is meant by a translational motion? Give one example.
Is work done a scalar or a vector physical quantity?
Name the physical quantity associated with the 'rate of doing work'.
State the energy changes which take place when A toy car with a wound spring moves on ground.
Explain, why submarines are able to dive underwater as well as a sail on the surface of the water?
