When you roll a cylinder across a surface it follows a straight-line path. A tapered cup rolled on the same surface follows a circular path. Why?
The reason for the circular path followed by the tapered cup.
Explanation of Solution
Introduction:
For a solid body rotating, the entire body rotates with the same angular speed. The body rotates through the same angle during the same interval of time.
A cylinder rolling on a surface travels in a straight line because it is symmetrical, both the ends travel same distance per revolution. But a tapered cup travels in a circular path because the wider part of the cup travels greater distance per revolution than the tapered end.
Conclusion:
A tapered cup travels in a circular path because the wider part of the cup travels greater distance per revolution than the tapered end.
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