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physical science

glencoe science

QuestionAnswer
a ____ is a push or pull force
a____ force is the total force felt by an object net
in order to be____forces, their effects must cancel each other out and not cause a change in an object's motion balance force
if the forces acting on an object are unbalanced, the net force is not_____ zero
Newton's first law of motion an object at rest are moving at a constant speed in a ____ will continue to do so until a net force acts on it straight line
_____is rubbibg force that acts against motion between two surfaces friction
_____ enables you to ride a bike without skidding and falling rolling friction
appling the brakes uses ______to slow a vihical down slidng friction
in order to know how a force will affect an object, you must the_____ direction
Newton's second law says that an object acted upon by a net force will accelerate in the direction of the force accoriding to the equation _________ Fnet=ma
when you walk across the bridge,the___force of the bridge keeps it from breaking normal force
the speed of an object reaches when the force of gravity is balanced by the force of the air resistence is called terminal velocity
Newton's third law can be stated as "for a reaction, there is a ____reaction" equal but opposite
You hit the wall with the stick.the equal but opposite reaction is______ wall pushes against the stick
the time for action/reaction situation is______ instantaneous/immediate
while static friction keeps an object at rest,_____friction slows object down sliding
the force of _______ exist between any two objects that has mass gravity
the gravitational force of any object near the earth surface is_____ 9.8m/s2
if the net force acts on an angle to the direction an object is moving, the object will follow a ______ path curved
Created by: Nam555
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