Advertisements
Advertisements
प्रश्न
A ball is placed on a compressed spring. When the spring is released, the ball is observed to fly away.
(i) What form of energy does the compressed spring possess?
(ii) Why does the ball fly away?
Advertisements
उत्तर
(i) Compressed spring possesses potential energy.
(ii) Potential energy of the spring is imparted to the ball in the form of kinetic energy.
संबंधित प्रश्न
Define equilibrium.
In a beam balance, when the beam is balanced in a horizontal position, it is in ______ equilibrium.
State the condition when a body is in static equilibrium.
State the condition when a body is in dynamic equilibrium.
Give scientific reason for the following:
When a man climbs a slope he bends forward.
What makes a balance faulty?
In equilibrium algebraic sum of moments of all forces about the point of rotation is ______.
State the principle of moments.
One end of a spring is kept fixed while the other end is stretched by a force as shown in the diagram.

(i) Copy the diagram and mark on it the direction of the restoring force.
(ii) Name one instrument which works on the above principle.
Explain the concept which is used in the continuous movement of the Thanjavur doll?
