Gravitation



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Contents

Circular Motion & Gravitation


Description: Centripetal force keeps objects moving in a circular path. Kepler's laws describe planetary motion. Newton's law of universal gravitation governs attraction between masses.


G & Center of mass & Moon's gravity


Description: G is universal gravitational constant because it applies universally. Center of mass is balance point in an object. Moon's gravity causes tides.


Free Fall, Mass & Weight.


Description: Free fall is motion under gravity without air resistance. Mass is amount of matter, weight is force due to gravity.


Numericals Based on Mass & Weight.


Description: Numericals Based on Mass & Weight.


Inverse Square Law & Escape Velocity


Description: Kepler's laws provided insight into planetary motion, guiding Newton to develop the inverse square law and calculate escape velocity.


Conservation of Energy


Description: Conservation of energy: Energy persists; escape velocity: speed to overcome gravitational pull.


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