Question

what are free fall,acceleration due to gravity,escape velocity, centripetal force?

Answer 1

Free fall is acceleration due to gravity.
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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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