Concept explainers
Whether the total acceleration of a point on the tire is inward, outward, tangential, or zero if it rotates at a constant rate of
Answer to Problem 52A
Inward
Explanation of Solution
Introduction:
The constant rate of revolution of a toy means that it covers a fixed angular distance in a time.
If in a time, the point on a tire covers a fixed distance or undergoes fixed revolutions in a minute, then its
Now, if the angular velocity of the considered point is constant then its
But, when any object undergoes rotation, then
Thus, centripetal force, or thereby centripetal acceleration will act on a point on the tire which is towards the axis of the rotation of the tire, that is, towards the center of the tire.
Conclusion:
Hence, the total acceleration of a point on the tire, which is the sum of the angular and the centripetal acceleration, will be directed inwards, if it rotates at a constant rate of
Chapter 8 Solutions
Glencoe Physics: Principles and Problems, Student Edition
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