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2 pt 3 pt 4 pt 5pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2pt 3 pt 4pt 5 pt 1pt 2pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4pt 5 pt 1pt IN THE THIRD PLACE WORKING ON IMPULSE PUSH or PULL SIR ISAAC IN THE SECOND PLACE
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A push or pull on an object
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What is force?
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The vector sum of all forces acting on an object
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What is net force?
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The SI unit of force
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What is Newton?
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Also known as the Law of Inertia
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What is Newton ’ s first Law?
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The property of matter that causes it to resist a change in its motion
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What is inertia?
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Newton ’ s law often summarized by the formula F = ma
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What is Newton ’ s 2nd Law?
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The produce of mass and velocity
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What is momentum?
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The common SI unit for momentum
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What is kg m? s
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The natural force that accelerates objects toward the center of the earth at approximately 9.8 m/s 2
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What is gravity?
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The force needed to give a 1-kg mass an acceleration of 1m/s 2
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What is one Newton?
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Any material that has mass and occupies a volume
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What is matter?
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The measure of the amount of matter in an object
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What is mass?
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The quantity represented by the letter a in the formula F=ma
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What is acceleration?
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The force on a body due to the gravitational attraction of a second body
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What is weight?
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The product of force and time
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What is impulse?
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The law that states that for every action there is an equal and opposite reaction
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What is Newton ’ s 3rd law?
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The reaction when a tennis racquet hits a tennis ball
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What is the tennis ball hitting the racquet?
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The reaction of the earth ’ s gravitational pull on your mass
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What is your mass ’ pull on the earth?
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The sum of the force vectors in an action/reaction pair
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What is zero?
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The name for the force on a cord, string, or rope created by supporting a mass
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What is tension?
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The force that resists the motion, or the attempted motion between two objects in contact
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What is friction?
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The label for work
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What is a Joule?
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The change in velocity of a ball when it is pitched at 15 m/s and comes off the bat at 35 m/s
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What is 50 m/s?
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The amount of work done in lifting a 5 N box, 2 meters
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What is 10 J ?
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The amount of work done when holding a 25 N box for 10 sec.
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What is zero?
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