Vocabulary
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| Gravity | attractive field force between objects with mass
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| Universal Gravitation | Newton's Law that every object attracts every other object in the universe with a force determined by their masses and their distance
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| Newton's 3rd Law of Motion | forces between two objects are equal in magnitude but opposite in direction
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| Gravitational Constant | (G = 6.67x10^-11) relates the weak force of gravitational attraction between 2 bodies
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| Mass | total matter (stuff) within an object
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| Radius | distance from an object's center
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| Direct | relationship when one variable changes in the same way that another one does, such as gravity and mass
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| Inverse Squared | relationship when one variable changes in the opposite way of another, such as gravity and distance
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| Centripetal Force | unbalanced "center-seeking" net force acting on an object to keep it moving in a circular path
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| Centripetal Acceleration | "center-seeking" acceleration of an object moving along a circular path
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| Tangential Velocity | linear speed of any object moving along a circular path that is perpendicular to the centripetal force and acceleration
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| Path of Motion | either linear (straight) or circular
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| Weight | force pulling down on an object's mass due to gravity (a.k.a. gravitational force)
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| Normal Force | contact force that is perpendicular to the surface supporting an object
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| Tension Force | pulling force transmitted by a string, cable, chain, rope, etc.
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| Friction Force | resistance force parallel to a surface and acts opposite of the direction an object is moving
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| Rule of 1's | helps determine how much a variable changes when you change any other variable(s) by a certain factor
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| Period | time to travel in one complete circle
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| Magnitude | size or amount (number)
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To hide a column, click on the column name.
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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