Advertisements
Advertisements
Question
State the work energy theorem.
Advertisements
Solution
When a moving body experiences force applied to it in the direction of that force.
- Work is done.
- K.E. rises in a manner that is proportional to the force's work. The term "work energy theory" refers to this.
APPEARS IN
RELATED QUESTIONS
State one important advantage and disadvantage each of using nuclear energy for producing electricity.
How many MeV are equivalent to 1 atomic mass unit (u)?
Give one relevant example for the following transformation of energy :
Chemical energy to light energy.
What is ocean? Explain in brief.
Give one disadvantage of using a solar cell.
State two disadvantages of using wind energy for generating electricity.
A ball of mass 0.5 kg slows down from a speed of 5m/s-1 to that of 3m/s-1. Calculate the change in kinetic energy of the ball.
State the energy changes which take place when:
Food is digested by animals.
Show that in case of a body falling freely under gravity, total mechanical energy remains conserved (neglect air resistance).
You do not have rangoli powder. What things can you use as an alternative?
