Gravity and motion
Newton's laws of motion
Momentum
Vocabulary
Random hard stuff
100
at what rate do objects accelerate toward earth
What is 9.8m/s/s
100
all forces act in ______
What is pairs
100
the equation for momentum
What is p=mv
100
the tendancey of an object to resist being moved
What is inertia
100
which cars pollute the air more- old or new
What is old
200
v=gt
What is how to calculate a change in velocity
200
whenever one object exerts a force on a second object, the 2nd object exerts an equal and opposite force on the 1st
What is Newton's 3rd law of Motion
200
after a collision, momentum is neither ______ nor ______
What is gained, lost
200
a quantity defined as m x v
What is momentum
200
5 examples of projectile motion
What is frog leap water spray swimmer diving balls being juggled arrow shot
300
acceleration stops at the __________ _______
What is terminal velocity
300
force _________ do not act on the same object
What is pairs
300
what 2 forces are always used in an exchange of momentum
What is action and reaction
300
the curved path an object follows when thrown
What is projectile motion
300
the moon stays in orbit b/c earth's gravity provides a what
What is centripetal force
400
free fal occurs when there is no ____ _________
What is air resistence
400
acceleration depends on __________and _____
What is force, mass
400
in an exchange of momentum, objects either __________ together or ________ off eachother
What is stick, bounce
400
the motion of a body when only the force of gravity is acting upon it
What is free fall
400
a parachute increases what
What is air resistance
500
what 2 motions combine to cause orbit
What is free fall and moving forward
500
Newton's 2nd law mathematically
What is F=ma
500
The conservation of momentum can be described by this law
What is Newton's 3rd law
500
the constant velocity of a falling object when the force of air resistance is equal in magnitude and opposite in direction to the force of gravity
What is terminal velocity
500
t/f 2 balls of the same size and shape will hit the ground at the same time if 1 weighs 1pound and the other weighed 5 pounds.
What is true
M
e
n
u