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# McCormack- Newton

### McCormack-Newton's Law Test

Motion A change in position over time
Speed Distance over time (s=D/t)
Units for Speed meters per second (m/s)
Acceleration Change in speed over time (Vf-Vi/t)
Units for Acceleration Meters per second squared (m/s^2)
Velocity Speed with direction
Inertia Objects in motion tend to stay in motion & objcects at rest tend to stay at rest
Gravity A force of attraction based on mass and distance
Force A push or pull measured in Newtons (N)
Acceleration due to Gravity 9.8 m/s/s
Momentum Momentum (P) = mass x Velocity P=mV Mass in motion
Newtons (N) Force Units, Kg x m/s/s
Newton's 1st Law of Motion Inertia, Objects at rest tend to stay at rest while objects in motion tend to stay in motion
Newton's 2nd Law of Motion Force is directly related to mass & acceleration. F=ma
Newton's 3rd Law of Motion Every action has and equal but opposite reaction.
Weight The effect of gravity on mass Weight = mass x 9.8 m/s/s
Newton's 1st law of Inertia A book sitting on the table will not move unless an unbalance force is acting on it
Terminal Velocity The velocity reached when air resistance is equal to acceleration due to gravity
Balance Force Equal but opposite forces that cancel out and result in no motion
Unbalance Force Unequal and opposite forces that results in motion
Friction A force opposite to motion resulting from the direct touch of two objects.
Newton's 2nd Law of Acceleration What Law gives us the formula to calculate weight? W= 9.8m/s^2 x mass
Newton's 3rd Law of Action/Reaction What Law says that book sitting on the talble has and opposite force pushing up on it?
Static Friction Friction between two objects at rest
weight = m x g, 1,000 grams (1 kg)x 9.8 = ___9.8____ Newtons (round to 10 N) the weight of 1,000 grams =
Mass The amount of stuff in an object that cannot change based on position in the Universe
Newton's 1st Law, Inertia A student flying off skate board that has hit a curb is an expamle of
Newton 2nd Law , F=ma, F = .1 x 2,500 = 250 N Newton's 2nd Law of Acceleration is used to calculate the force of a bullet (.1 kg @ 2,500 m/s)F=ma
Newton's 3rd Law of Action/Reaction Which Newton Law explains when a rocket engine pushes one way and rocket goes the opposite direction?
Newton Law of Inertia A train takes a mile to come to a stop is an example of
Volume The amount of space an object takes up, measured in Liters.
Calculate the weigth of a student who is 55 kg, g= 9.8 m/s2 Weight = mg (F=ma) W = 55 kg x 9.8 m/s2 = 539 N
Two objects hit at the same time since acceleration of gravity is always 9.8 m/s2 on Earth Two different mass objects dropped at the same time will
Created by: fmccormack