what are free fall and escape velocity ?
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Free falls is a normal falling of an object from up to down under normal gravity condition, escape velocity is the velocity at which an object can escape from earth to space.
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In Newtonian physics, free fall is defined as the motion of an object where gravity is only force acting upon it
• The sky driver may be pulled to words the earth by gravity, but they are also affected by air resistant for opposing there is downward movement.
In physics escape velocity is the minimum speed needed for a free, non - propelled object to escape from gravitational influence of a massive body, thus reaching an in finite distance from. Escape velocity rises with the body’s mass and falls with the escaping object’s distance from its centre.
• The sky driver may be pulled to words the earth by gravity, but they are also affected by air resistant for opposing there is downward movement.
In physics escape velocity is the minimum speed needed for a free, non - propelled object to escape from gravitational influence of a massive body, thus reaching an in finite distance from. Escape velocity rises with the body’s mass and falls with the escaping object’s distance from its centre.
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