Motion in a Vertical Circle NEET Questions

Physics - Work, Energy, and Power
Motion in a Vertical Circle

Motion in a Vertical Circle MCQ Questions


7.
For minimum launch speed vā‚€ = āˆš(5gL) at the bottom, the total mechanical energy of the bob at any point is:
A.
mgL
B.
2mgL
C.
5mgL/2
D.
3mgL
šŸ˜‘ View Answer Error
ANSWER :
C. 5mgL/2
8.
At the lowest point A of a vertical circular path (string length L), the tension TA in the string when vā‚€ = āˆš(5gL) is:
A.
mg
B.
3mg
C.
5mg
D.
6mg
šŸ˜‘ View Answer Error
ANSWER :
D. 6mg
9.
At the topmost point C of a vertical circle (string length L, minimum vā‚€), the tension TC is:
A.
mg
B.
0
C.
3mg
D.
5mg
šŸ˜‘ View Answer Error
ANSWER :
B. 0
10.
The tension in the string at point B (horizontal position, height L, string length L) for minimum launch speed vā‚€ = āˆš(5gL) is:
A.
mg
B.
2mg
C.
3mg
D.
0
šŸ˜‘ View Answer Error
ANSWER :
C. 3mg
11.
For a bob to just complete the vertical circle, what is the minimum tension at the bottom of the circle?
A.
mg
B.
3mg
C.
5mg
D.
6mg
šŸ˜‘ View Answer Error
ANSWER :
D. 6mg
12.
The minimum kinetic energy at the topmost point C of a vertical circle of radius L (for the bob to just complete the circle) is:
A.
mgL
B.
mgL/2
C.
2mgL
D.
5mgL/2
šŸ˜‘ View Answer Error
ANSWER :
B. mgL/2
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