What are (1)free fall (2)acceleration due to gravity (3)escape velocity (4)centripetal force ?
Answers
Explanation:
Free fall : The situation where an object falls freely on the ground without application of force..
It's fall due to gravitational pull of the earth
Acceleration due to gravity: thethe uniform acceleration produced in a freely falling body due to gravitational pull of the earth.
Escape Velocity : The velocity at which an object escapes from the Earth gravitational force.
centripetal force: the force which makes an object directs towards the centre.
centre seeking force.
Answer:
Free fall is when an object falls in the sky with no force except gravity acting on it.
acc. due to gravity is a constant acceleration as defined by sir newton and it's value is 9.8m/s2
escape velocity is the velocity in which after attaining it,the object overcomes gravity
centripetal force is a force which a body exerts towards center of the system
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