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Newton's Laws of Motion
Gravity, Friction, and Motion
Measuring Motion
Potpourri #1
Potpourri #2
100
Inertia
What is the tendency of all objects to resist any change in motion?
100
free fall
What is an object doing if gravity is the only force acting on the object?
100
reference point
What is the object that appears to stay in place?
100
lever
What is a simple machine that pivots on a fixed point?
100
Joule
What is unit for measuring work?
200
F = M x A
What is Newton's 2nd Law of Motion?
200
air resistance
What is the force that opposes the motion of objects through air?
200
Speed
What is the distance traveled by an object divided by the time?
200
W = F x D
What is the equation for work?
200
Machine
What is any device which makes work easier by changing the amount of force or the direction of the force?
300
Action/Reaction
What is Newton's 3rd Law of Motion?
300
Projectile Motion
What is the curved path an object follows when it is thrown or propelled near the surface of the Earth?
300
velocity
What is the speed of an object in a particular direction?
300
longitudinal waves
What are waves in which the particles move parallel (back and forth) to the direction of the wave?
300
transverse waves
What are waves in which the particles move perpendicular to the direction of the wave?
400
9.8 Meters per second squared
What is acceleration due to gravity?
400
weightlessness
What does an astronaut experience when he is in free fall?
400
acceleration
What is the rate at which velocity changes?
400
wavelength
What is distance from crest to crest, or from trough to trough?
400
crust, mantle, core
What are the 3 layers of the Earth?
500
0 Newtons of force
What is a balanced force?
500
Gravity
What is the force of attraction between an objects with mass?
500
Newton
What is unit of measurement for a force?
500
sea floor spreadng
What is the process by which new sea floor forms?
500
Plate tectonics
What is the theory thaat the Earth's lithosphereis divided into plates which move on top of the asthenosphere?