Advertisements
Advertisements
प्रश्न
State whether the object possess kinetic energy, potential energy, or both :
A stretched spring lying on the ground ____________.
पर्याय
kinetic energy
potential energy
Both
उत्तर
A stretched spring lying on the ground possesses potential energy.
APPEARS IN
संबंधित प्रश्न
What kind of energy is possessed by the following?
A compressed spring ____________.
Name the device or machine which convert :
Electrical energy into sound energy.
Name the device or machine which convert :
light energy into heat energy.
How much electrical energy in joules does a 100 watt lamp consume : in 1 second?
Write the energy transformations which take place in an electric bulb (or electric lamp).
A bulb lights up when connected to a battery. State the energy change which takes place :
How much electric energy in kWh is consumed by an electrical appliance of 1000 watts when it is switched on for 60 minutes?
Name the energy transfers which occur when :
an electric ball rings
Which of the following energy change involves frictional force?
A girl with having a mass of 35 kg sits on a trolley of mass 5 kg. The trolley is given an initial velocity of 4 m s–1 by applying a force. The trolley comes to rest after traversing a distance of 16 m. (a) How much work is done on the trolley? (b) How much work is done by the girl?
