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Level 123

Friction, Gravity & Newtonʼs Third Law

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a contact force; type of force between two touching surfaces
Friction Depends on..?
types of surfaces and how hard surfaces push together
Sliding, Rolling, and Fluid
What are the types of friction?
sliding friction
friction caused by moving two flat surfaces against each other
A gas or a liquid
A train demonstrates _______ friction.
(physics) the force of attraction between all masses in the universe
free fall
a state in which an object is gravitationally drawn to the earth's surface and is unaffected by any forces besides weight
air resistance
Fluid friction acting on an object moving through the air.
Terminal Velocity
Greatest velocity an object can reach is called _______.
A force that comes from gravity pulling down on any object with mass
Our mass_______
Always stay the same
We have a _______ of our weight on the moon
Law of Universal Gravitation
a force of gravity that's acts on all objects in the universe
As temperature increases, the vapor pressure of a liquid _______.
A freight car moves along a frictionless level railroad
Newtons 3rd law
for every action there is an equal but opposite reaction
(p) vector quantity describing the quantity of motion or inertia in motion. Recognizes that both mass and velocity have a part in the motion of an object and is proportional to both (is zero …
The Law of Conservation of Momentum
The total momentum of the objects that interact does not change', this law is called _______ __ _______ __ _______.
Orbiting Satellites
a satellite is any object in space that orbits around another object I'm space
The _______ is our satellite
The _______ is the satellite to the sun
Centripetal Force
A force directed towards the center of a circle that causes an object to follow a circular path
True/False: rate constant for a rxn is independent of reactant concentrations