Question

What are
1)centripetal force
(ii) acceleration due to gravity (iii) free fall
(iv) escape velocity?
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Answer 1

Explanation:

Acceleration due to gravity (g) - Acceleration due to gravity is acceleration produced in a body in free fall due to gravitational force of earth on the body. ... Centripetal force - Force applied on an object moving in a circular path which attracts object towards centre around which body is moving.

Answer 2

Answer:

1. centripetal force: the force acting on any moving in a circle and directed towards the centre of the circle is called as centripetal force
2. Acceleration due to gravity : The acceleration produced in a body under the influence of the force of gravity Alone is called acceleration of the gravity
3. Free fall: The motion of any object under the influence of the force of gravity Alone is called as free fall
4. Escape velocity: the minimum velocity with which a body should be projected from the surface of a planet or moon ,so that it escape from the gravitational influence of the planet or moon is called escape velocity

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