Concept explainers
When you whirl a can at the end of a string in a circular path, what is the direction of the force that acts on the can?
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The direction in which the force acts on the can tied at the end of string and whirling in a circle.
Answer to Problem 8A
In a tangential direction to the motion of the can.
Explanation of Solution
Introduction:
When an object moves in a circle, its speed remains constant always but its direction always changes which is always tangential.
Now, the force on the can whirling in a circle acts in the direction of the speed acting on the can. Hence, the force will also act in the tangential direction of the motion.
Conclusion:
When a can whirl in circle as given, then a force acts on it which is in a tangential direction to its motion.
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