Advertisements
Advertisements
प्रश्न
State two factors on which the kinetic energy of a moving body depends.
Advertisements
उत्तर
The energy possessed by a body by virtue of its motion is defined as kinetic energy. The factors on which it depends are
(i) Mass of the body.
(ii) Velocity of the body.
APPEARS IN
संबंधित प्रश्न
What is the kinetic energy of an object?
The energy of a flying kite is kinetic energy.
Kinetic energy = 1/2 × mass × ............
A cyclist doubles his speed. How will his kinetic energy change: increase, decrease or remain same?
A ball of mass M is moving with a speed v. What is its kinetic energy?
A body is thrown vertically upwards. Its velocity keeps on decreasing. What happens to its kinetic energy as its velocity becomes zero?
Two bodies have masses in the ratio 5 : 1 and their kinetic energies are in the ratio 125 : 9. Calculate the ratio of their velocities.
How does the kinetic energy of a moving body depend on its (i) speed, and (ii) mass?
A bullet of mass 15 g has a speed of 400 m/s. What is its kinetic energy? If the bullet strikes a thick target and is brought to rest in 2 cm, calculate the average net force acting on the bullet. What happens to the kinetic energy originally in the bullet?
Water stored in water dams possesses kinetic energy.
