Advertisements
Advertisements
Question
kWh is the unit of ______.
Options
Power
Force
Energy
None of these
Solution
kWh is the unit of energy.
APPEARS IN
RELATED QUESTIONS
When a body moves in a circular path, how much work is done by the body? Give reason.
(Hint: The body is acted upon by the centripetal force.)
A satellite revolves around the earth in a circular orbit. What is the work done by the force of gravity? Give reason.
Give an example when work done by the force of gravity acting on a body is zero even though the body gets displaced from its initial position.
Define one newton. Write the relation between the S. I. unit and the C.G.S. unit of force.
A force F when acts on a body, displace it by a distance d in a direction at an angle θ with the direction of the force. Write down the expression for the work done by the force.
A machine raises a load of 750 N through a height of 16 m in 5 seconds. Calculate the power at which the machine works.
