A hard wood floor has more friction than a carpet.
True
False
What does friction produce?
light
heat
sound
Friction is a force that acts in an ___________ direction of movement.
similar
opposite
Rougher surfaces have ...
greater friction
less friction
Which of the following is an example of friction that is helpful?
Tires from a car on the road
Brakes used on a bike
All are examples that are helpful
Which of the following is an example of friction that is harmful?
Pencil marking on paper
shoes wearing out
These are examples of lubricants
oil
powder
grease
All of the above
Friction helps you write on a paper .
True
False
Material with _______________ surfaces have less friction
smooth
rough
You can walk because there is friction between your __________ and ______________
ground and air
feet and ground
0
{"name":"Friction", "url":"https://www.quiz-maker.com/Q41W3N5K7","txt":"A hard wood floor has more friction than a carpet., What does friction produce?, Friction is a force that acts in an ___________ direction of movement.","img":"https://www.quiz-maker.com/3012/images/ogquiz.png"}