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A weightless rigid rod AB of length / co...

A weightless rigid rod AB of length / connects two equal masses m one particle is fixed at the end B and the other at the middle ofthe rod as shown in the figure-5.131. The rod can rotate in the vertical plane freely around the hinge point/4. Choose the correct option(s)


A. The minimum horizontal velocity required to be given to the particle B so as to make the rod go around in the complete vertical circle is `sqrt((24 gl)/(5))`
B. The minimum horizontal velocity required to be given to the particle B so as to make the rod go around in the complete vertical circle is `sqrt((24 gl)/(g))`
C. The ratio of compressive force in the rods AC and BC is `2:1` when the masses are at highest point.
D. The ratio of compressive force in the rods AC and BC is `3:1` when the masses are at highest point.

A

The minimum horizontal velocity required to be given to the particle B so as to make the rod go around in the complete vertical circle is `sqrt((24 gl)/(5))`

B

The minimum horizontal velocity required to be given to the particle B so as to make the rod go around in the complete vertical circle is `sqrt((24 gl)/(g))`

C

The ratio of compressive force in the rods AC and BC is `2:1` when the masses are at highest point.

D

The ratio of compressive force in the rods AC and BC is `3:1` when the masses are at highest point.

Text Solution

Verified by Experts

The correct Answer is:
A, C
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