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10 Cards in this Set

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FRICTION
By rubbing your hands together you create _______.
Heat
FRICTION
When you rub your hands together, the force that creates heat is called ________.
friction
FRICTION
What is one way to reduce friction?
Use wheels or ball bearings or put a load on wheels or using lubrication
WORK
What do you call it when a force is applied to an object, or load, to make it move?
Work
WORK
Is more or less work required to move a heavy load the same distance as a lighter load?
More work
WORK
What is the formula for work?
Force x distance = work
What is starting friction?
The friction that is greatest just before an object moves.
What is sliding friction
Friction that lessens when an object is in motion.
What happens to friction when an object rolls on wheels
Itlessens
True or false, Heavier objects create more friction when being moved and lighter objects create less friction when being moved.
true