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the force of attraction between all masses in the universe; especially the attraction of the earth's mass

https://www.vocabulary.com/dictionary/gravity

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Friction is a catchall word that refers to any force that resists relative tangential motion.

https://physics.info/friction/summary.shtml

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Projectile motion is a form of motion in which an object or particle is thrown near the Earth's surface, and it moves along a curved path under the action of gravity only.

https://en.wikipedia.org/wiki/Projectile_motion

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Potential Energy is the energy possessed by an object because of its position relative to other objects, stresses within itself, its electric charge, or other factors.

https://en.wikipedia.org/wiki/Potential_energy

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The kinetic Energy of an object is the energy that it possesses due to its motion

https://en.wikipedia.org/wiki/Kinetic_energy

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Momentum refers to the quantity of motion that an object has.

www.physicsclassroom.com/Class/momentum/u4l1a.cfm

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Acceleration is the rate of change of velocity of an object with respect to time

https://en.wikipedia.org/wiki/Acceleration

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Velocity is equivalent to a specification of its speed and direction of motion

https://en.wikipedia.org/wiki/Velocity

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Is the rate at which an object covers distance.

www.physicsclassroom.com/class/1DKin/Lesson-1/Speed-and-Velocity