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Kenyons forces vocab

forces vocabulary

QuestionAnswer
momentum the product of an objects massand its velocity
formula for momentum m=pv
Law of conservation of momentum the total momentum of any group of objects remains the same unless outside forces act upon the objects
Force a push or pull that gives energy to an object
Units of force forces are measured in Newtons;N
Net force the total of all forces acting on an object
Inertia the tendency of matter to resist a change in its motion
Balanced Forces the net force acting on an object is zero
Unbalanced force the net force acting on an object is not zero
Magnitude the amount of a measurement
Friction a force that one surface exerts on another when the two surfaces are in contact with each other
Static Friction friction between non-moving objects
Kinetic Friction friction between moving objects
Sliding Friction friction between objects that slide against each other
Rolling Friction occurs when an oblects rolls over a surface
Fluid Friction occurs when an object moves through a fluid or gas
Newtons First Law of Motion objects at rest will stay at rest and objects in motion will stay in motion unless acted upon by an unbalanced force
Newtons Second Law of Motion the net force acting on an object is equal to the product of the objects mass and acceleration
Newtons Third Law of Motion for every action force there is a reaction force that is equal but acts in the opposite direction
Freefall the motion of an object whe gravity is the only force acting on it
Terminal Velocity greatest velocity of a falling object occurs when the force of GRAVITY is EQUAL to the force of FRICTION
Weight a measure of the force of GRAVITY on an object
Mass the amount of matter in something
Centripetal Force the force that is pulling an object in curcular motion towards the center of the circle
Geosynchronous Orbit occurs when an object orbits another object at a rate equal to the 2nd object's rate of rotation
Created by: KenyonWP5
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