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PS: Ch. 10

TermDefinition
In __?__ Newton proposed his ideas on motion and universal gravitation Principia
Quantities with magnitude and direction vector
list assistances a simple machine provides multiplying force and distance and changing direction of a force
In an ideal situation, a machine's work output is __?__ its input equal to
SI unit of power Watt
SI unit of Work Joule
Center seeking force centripetal force
Center fleeing force centrifugal force
For every action, there is an equal and opposite reaction 3rd law of motion
distance traveled in a given time speed
velocity of an object doesn't change unless acted upon an outside force 1st law of motion
gravitational force exerted on an object near the surface of the earth or any celestial body gravity
SI unit of force Newtons
quantity of motion of an object is the product of the object's mass and velocity momentum
having mixed and movable pulleys in a machine is known as __?__ block and tackle
branch of physics covering the effects of forces on matter mechanics
Lever having input>fulcrum>output Class 1
Lever having input>output> fulcrum Class 2
Lever having fulcrum>input>output Class 3
when the force of air resistance of a falling object reaches the object's weight is known as __?__ velocity terminal
resistance of an object's motion through a fluid or across a surface friction
when 2 objects attract to one another because their masses and distance between them Law of Universal Gravitation
Velocity is a __?__ quantity vector
measurement of how well a machines input converts to output efficiency
machine that resembles an inclined plane wrapped around a rod Screw
machine with a sloping surface that allows an object to be raised without lifting straight up inclined plane
the distance between a lever's fulcrum and input force input arm
Quantity that has magnitude Scalar
change in an object's position displacement
Any change in speed, direction, or both acceleration
list what can affect the force of friction weight of object, coefficient of friction, nature of surface
overall external force is 0 and momentum is constant Law of conservation of momentum
single vectors showing the combined effect of 2 or more vectors resultant
distance between the ridges on a screw pitch
inclined plane that redirects force to the side wedge
circular lever wheel and axle
rate of doing work power
the thrust of a rocket is an example of which law of motion 3rd
when 2 vectors that are travelling in the same direction or opposite directions collinear
friction that affects moving objects kinetic
Created by: Mrs. Sechrist