Advertisements
Advertisements
Question
Name the form of energy which a body may possess even when it is not in motion. Give an example to support your answer.
Advertisements
Solution
Even when the body is not in motion, it has potential energy. For example, a stone at a certain height has gravitational potential energy due to its raised position.
APPEARS IN
RELATED QUESTIONS
State the energy changes in the following case while in use:
a ceiling fan
Select the renewable and non-renewable sources of energy from the following:
Water
Renewable source of energy is:
The following are some of the energy transformations.
A. Electrical to light
B. Work to heat
C. Chemical to light
D. Electrical to sound
E. Mechanical to electrical
Identify the energy transformation that takes place in the following by inserting the corresponding letter in the shape provided.
(i) A candle flame
(ii) A torch is lighted
(iii) A microphone is used in a meeting
(iv) A cycle dynamo
(v) A piece of metal is being filed
What do you understand by mechanical energy?
What do you understand by the kinetic energy of the body?
What is the main energy transformation that occur in:
Charging of a battery.
A moving body weighing 400 N possesses 500 J of kinetic energy. Calculate the velocity with which the body is moving. (g = 10 ms2)
Name the type of energy (kinetic energy K or potential energy U) possessed in the following case:
A moving cricket ball
