1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

# A wooden rod of a uniform cross section and of length 120cm is hinged at the bottom of the tank which is filled with water to a height of 40cm. In the equilibrium position, the rod makes an angle of 60o with the vertical. The center of buoyancy is located on the rod at a distance (from the hinge) of:

A
20cm
No worries! Weâ€˜ve got your back. Try BYJUâ€˜S free classes today!
B
40cm
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
60cm
No worries! Weâ€˜ve got your back. Try BYJUâ€˜S free classes today!
D
75cm
No worries! Weâ€˜ve got your back. Try BYJUâ€˜S free classes today!
Open in App
Solution

## The correct option is B 40cmcenter of buoyancy is at the place where the center of mass ( part of the rod which is under the water) lies.since 80 cm of the rod is under water.so, center of buoyancy is at a distance of 40 cm from the hinge.

Suggest Corrections
0
Join BYJU'S Learning Program
Related Videos
Losing Weight Using Physics
PHYSICS
Watch in App
Explore more
Join BYJU'S Learning Program