Advertisements
Advertisements
Question
A bucket full of water .is on the first floor of your house and another identical bucket with same quantity of water is kept on the second floor. Which of the two has greater potential energy ?
Advertisements
Solution
A bucket full of water kept on second floor has the greater potential energy. This can be explained as follows :
P.E. = mgh
Mass of both bucket and the gravitational force are same, so the body at greater height will possess more potential energy.
APPEARS IN
RELATED QUESTIONS
Which of the following produces more heat (per unit mass) on burning?
Write an expression for the potential energy of a body of mass m placed at a height h above the earth's surface. State the assumptions made, if any.
What is tidal? Explain in brief.
State two uses of solar cells.
State the energy changes which take place when:
Water stored in dams rotates turbine connected to a dynamo.
State the energy changes which take place when:
Water freezes in the freezing chamber of a fridge.
A body of mass 50 kg has a momentum of 3000 kg−1 ms. Calculate:
(j) the kinetic energy of the body.
(ii) the velocity of the body.
Geothermal energy is:
Name the type of energy (kinetic energy K or potential energy U) possessed in the following case:
A moving cricket ball
