How do wheels help you make worl easier?
A.Wheels reduced friction
B.Wheels cannot do work without an axis
C.Wheels are circular objects
D.Most machines have wheels
A.Wheels reduced friction
B.Wheels cannot do work without an axis
C.Wheels are circular objects
D.Most machines have wheels
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Answer:
A.
Explanation:
A Wheel reduces friction by allowing the contacting surface to roll rather than to drag or slide over each other.