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A block is released from rest at the top of an inclined plane which later curves into a circular track of radius r as shown in figure. The minimum height h from where it should be released so that it is able to complete the circle, isa. r b. r c. r d. r
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Text solutionVerified
Sure, here are the step by step solutions:
1. To loop the loop body should not lose contact with the track anywhere, so:
2. Applying the law of conservation of mechanical energy between points A and B, i.e., magnitude of change in kinetic energy equals the magnitude of change in potential energy.
3. Simplifying the equation:
4. Substituting from the first equation:
5. Simplifying further:
6. Rearranging and simplifying:
7. Hence, h must be at least equal to 2.5r.
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Question Text | A block is released from rest at the top of an inclined plane which later curves into a circular track of radius r as shown in figure. The minimum height h from where it should be released so that it is able to complete the circle, isa. r
b. r
c. r
d. r
|
Topic | Circular and Rotation Motion |
Subject | Physics |
Class | Class 12 |
Answer Type | Text solution:1 |