Friction gives out _________.
heat; Advantage
Friction ___________ moving objects.
slows down; Disadvantage
Friction ____________ surfaces in contact.
wears out; Disadvantage
Friction gives out unnecessary heat and ___.
noise; Disadvantage
Frictions allows us to _______ objects.
hold; Advantage
Friction _______ moving objects.
stops; advantage
Friction allows objects to _________.
stay still; advantage
Friction allows things to move without _______.
slipping; advantage
