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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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CH4: Forces and Newton's Laws of Motion Concepts of force, mass, and weight. Newton’s laws of motion. Newton’s law of gravitation. Friction: kinetic and.

CH4: Forces and Newton's Laws of Motion Concepts of force, mass, and weight. Newton’s laws of motion. Newton’s law of gravitation. Friction: kinetic and.

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