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8th - Ch. 2, Part 1

Forces

QuestionAnswer
balanced force forces that combine to form a net force of zero
contact force a force that is exerted only when objects are touching
force an influence tending to change the motion of an object or produce motion in a stationary object
net force the combination of all the forces acting on an object
Newton's First Law of Motion if the net force on an object is zero, an object at rest remains at rest, or, if the object is moving, it continues to move in a straight line with constant speed
noncontact force a force exerted when objects are not touching
unbalanced force forces that combine to form a net force that is not zero
compression force a squeezing force applied to an object that can make an object shrink
elastic force force exerted by a material when it is stretched or compressed
friction a contact force that opposes the movement between two surfaces in contact
Created by: cphillinganes
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