Centre Of Mass Of A Triangle MCQ - Practice Questions with Answers

Have a look at the figure of A triangular plate as shown in figure.

Since it is symmetrical about y-axis on both sides of the origin

So we can say that  its

And its as  z-coordinate is zero for all particles of semicircular ring.

Now we will calculate its which is given by

For this take an elemental strip of mass dm and thickness dy at distance y from origin on y-axis

As shown in figure 

will be similar

So,    

Take    

And,     

So ,      from base