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Stack #4624708

QuestionAnswer
Acceleration A change in an object’s speed or direction over time.
Force A push or pull that can change an object’s motion.
contact force A force that happens when two objects physically touch each other.
Newton's 2nd law The acceleration of an object depends on the net force acting on it and the object’s mass.
Law A rule in science that describes a pattern in nature that always happens the same way.
friction A contact force that resists motion between two surfaces that are touching.
free body diagram A drawing that shows an object and all the forces acting on it.
Net force The total force acting on an object after all forces are combined.
Newtons first law An object will stay at rest or keep moving at a constant speed unless a force acts on it.
Created by: user-2020479
 

 



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