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What type of friction do you have to overcome to make a book move across a desk?
Static friction
Does a tire or pulley have more friction?
A tyre has more friction than a pulley.
What thing can you use to help us overcome friction?
wheels overcome friction
Does a pulley use friction?
no
What two sources of friction do you have to overcome when walking?
Gravity pushing you down on the earth and friction from the ground are the two types of friction you have to overcome when walking.
What type of friction does a lever overcome?
rolling
What type of friction do you have to overcome to make a book move across a desk?
Static friction
Why is part of work output is used to overcome friction?
In any type of movement there is friction. This must be accounted for.
Does a tire or pulley have more friction?
A tyre has more friction than a pulley.
How does the work you get out of a pulley compare with the work you put into it?
The WORK is the same. Work = force times distance. If the pulley allows you to pull half as hard, you will have to pull over twice the distance (length of rope), making the same total work. (Ignoring friction; you would actually have to do slightly more work to overcome the friction in the pulley.)
What thing can you use to help us overcome friction?
wheels overcome friction
What kind of friction requires more force to overcome rolling friction of sliding friction?
Sliding friction requires more force to overcome its friction.
What kind of friction requires more forced to overcome rolling friction or sliding friction?
Sliding friction requires more force to overcome its friction.
What kind of friction requires more forces to overcome rolling friction or sliding friction?
Sliding friction requires more force to overcome its friction.
What kind of friction require more force to overcome rolling friction or sliding friction?
Sliding friction requires more force to overcome its friction.
What kind of friction requires more force to overcome rolling friction or sliding?
Sliding friction requires more force to overcome its friction.
What kind of friction must be overcome to start overcome of a stationary object?
That is called static friction.
