Centre Of Mass Of Solid Hemisphere MCQ - Practice Questions with Answers

Have a look at the figure of solid Hemisphere

Since it is symmetrical about y-axis  

So we can say that  its and

Now we will calculate its which is given by

So Take a small elemental hollow hemisphere of mass dm of radius r   as shown in figure.

Now have a look on elemental hollow hemisphere of mass dm of radius r

Since our element mass is hollow hemisphere so its C.O.M is at (r/2)

Now      

Where,     

So   from base