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force - Coggle Diagram
force
Force is an external cause in the form of push or pull, which produces or tries to produce motion in a body at rest, or stops/tries to stop a moving body or changes/tries to change the direction of motion of the body. The inherent property, with which a body resists any change in its state of motion is called inertia.
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MASS AND WEIGHT
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WEIGHT: The force with which the heavenly bodies like planets, satellites etc. attract mass towards their center is called Weight.
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It is measured with the help of spring balance. 
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Gravitation
Dynamics is the branch of physics in which we study the motion of a body by taking into consideration the cause i.e., force which produces the motion.
Newton's universal law of gravitation: 'Every body in the universe attracts every other body with a force which is directly proportional to product of their masses and inversely proportional to the square of the distance between their centers'
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Consequences of gravitational force: Responsible for revolving planets around sun, Responsible for the formation of tides in sea, Responsible for revolution of natural satellites around the planets etc.
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INTRODUCTION:The force of attraction between two bodies in the universe due to their masses is known as gravitation
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freefall , weightlessness
In Newtonian physics, free fall is any motion of a body where gravity is the only force acting upon it. In the context of general relativity, where gravitation is reduced to a space-time curvature, a body in free fall has no force acting on it.
Weightlessness is the complete or near-complete absence of the sensation of weight. This is also termed zero-G, although the more correct term is "zero G-force". It occurs in the absence of any contact forces upon objects including the human body.
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