why is there friction between objects
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why is there friction between objects
why do heavier objects have more friction
why does friction cause objects to slow down
what causes friction between two objects
what causes friction between 2 objects
how does friction affect objects
what does friction do to moving objects
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why does friction exist
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why does friction happen
how does friction affect motion of objects
how friction affects movement of objects
explain why friction occurs
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effects of friction on objects
how does friction affect an object's motion
what is friction and what causes it
what causes friction in physics
describe friction and explain what causes it
why is there friction between objects, why do heavier objects have more friction, why does friction cause objects to slow down, what causes friction between two objects, what causes friction between 2 objects, how does friction affect objects, what does friction do to moving objects, how does friction affect moving objects, why does friction exist, why does friction occur, why does friction happen, how does friction affect motion of objects, how friction affects movement of objects, explain why friction occurs, why is friction caused, effects of friction on objects, how does friction affect an object's motion, what is friction and what causes it, what causes friction in physics, describe friction and explain what causes it
