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Science final 2015

QuestionAnswer
What is a free body diagram? All forces acting on an object.
4 types of friction? Sliding, Rolling, Fluid, Static.
unbalanced forces an object that is moving
balanced forces an object that is still
force power applied to an object (something that makes motion)
newton metric unit for weight (N)
tension pulling force
compression pushing force
vector an arrow with the force moving
net force total amount of force used
newton's second force acceleration applied to an object force= mass *acceleration
newton's first force an object will stay still until acted upon
newton's third law with an action comes an opposite reaction
increasing friction rough surfaces are increasing friction
friction resistance of an object that encounters when 2 objects are moving over another
decreasing friction smoother surfaces
rolling forces the friction between rolling object and the surface it rolls on. ~only a small point of contact(wheel will roll on contact)
static forces friction between 2 surfaces that are not moving past each other.
sliding the force that opposes the motion of 2 surfaces sliding past each other.
fluid forces when an object is moving through liquid or gases
Created by: oswaldbr
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