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