Advertisements
Advertisements
प्रश्न
What kind of energy is possessed by the following?
A compressed spring ____________.
Advertisements
उत्तर
A compressed spring possesses elastic potential energy.
APPEARS IN
संबंधित प्रश्न
A ball is placed on a compressed spring. What form of energy does the spring possess? On releasing the spring, the ball flies away. Give a reason.
State the condition under which the mechanical energy is conserved.
A stone of mass 500 g is thrown vertically upwards with a velocity of 15 m/s. Calculate:
- the potential energy at the greatest height,
- the kinetic energy on reaching the ground, and
- the total energy at its half-way point.
State whether the object possess kinetic energy, potential energy, or both :
A flying aeroplane _______________.
Fill in the blank with suitable word :
The ability of a body to do work is called __________. The ability of a body to do work because of its motion is called __________.
What type of energy is possessed : by the piece of stone which is thrown away on releasing the stretched rubber strings of catapult?
What is the difference between potential energy and kinetic energy?
Five electric fans of 120 watts each are used for 4 hours. Calculate the electrical energy consumed in kilowatt-hours.
What do you understand by the term 'transformation of energy"? Explain with an example.
A ball falls to the ground as shown below :
Which law you have made use of in answering this question?
