alleryWhich solid rolls smoothly in any direction?
ACube
BSphere
CCone
DCylinder
Answer & Solution
Correct answer: B. Sphere
1. A cube has flat faces and does not roll.
2. A cylinder rolls only along its curved side and a cone rolls in a circle.
3. A sphere is round in every direction, so it rolls smoothly any way.
_Source: Wikipedia, Sphere (CC BY-SA 4.0), Sphere_
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