Advertisements
Advertisements
प्रश्न
State whether the object possess kinetic energy, potential energy, or both :
A ceiling fan in the off position ______________
विकल्प
kinetic energy
potential energy
Both
Advertisements
उत्तर
When switched off, a ceiling fan possesses only potential energy.
APPEARS IN
संबंधित प्रश्न
A pendulum is oscillating on either side of its rest position. The correct statement is:
Fill in the blank with suitable word :
The sum of the potential and kinetic energies of a body is called __________ energy.
A boy weighing 40 kg makes a high jump of 1.5 m.
What is his kinetic energy at the highest point?
What is the difference between potential energy and kinetic energy?
A ball of mass 0.5 kg slows down from a speed of 5 m/s so that of 3 m/s. Calculate the change in kinetic energy of the ball. State your answer giving proper units.
What kind of energy transformations take place at a coal-based thermal power station?
Write the energy transformations which take place in an electric bulb (or electric lamp).
The hanging bob of a simple pendulum is displaced to one extreme position B and then released. It swings towards centre position A and then to the other extreme position C. In which position does the bob have :
(i) maximum potential energy?
(ii) maximum kinetic energy?
A ball falls to the ground as shown below :
Which law you have made use of in answering this question?
A body of mass 10 kg at rest is acted upon simultaneously by two forces 4 N and 3 N at right angles to each other. The kinetic energy of the body at the end of 10 s is
