Advertisements
Advertisements
प्रश्न
What do you mean by acceleration due to gravity?
Advertisements
उत्तर
- When an object falls towards the ground from a height, then its velocity changes during the fall.
- This changing velocity produces acceleration in the object.
- This acceleration is known as acceleration due to gravity. Its value is given by 9.8 m/s2.
APPEARS IN
संबंधित प्रश्न
Gravitational force acts on all objects in proportion to their masses. Why then, a heavy object does not fall faster than a light object?
What force is responsible for the earth revolving round the sun ?
State whether the following statement is true or false :
A falling stone also attracts the earth.
What do you understand by the term 'acceleration due to gravity of earth' ?
Name the force which stops you falling through the floor.
A stone is thrown vertically upwards with initial velocity u reaches a height ‘h’ before coming down. Show that the time taken to go up is the same as the time taken to come down.
What would be the value of ‘g’ on the surface of the earth if its mass was twice and its radius half of what it is now?
An object falling freely from rest reaches ground in 2 s. If acceleration due to gravity is 9.8 m s-2, then the velocity of object on reaching the ground will be
What is escape velocity?
Distinguish between:
Universal gravitational constant – Gravitational acceleration of earth.
