COM of Center of Masses

Q.

A circular disc of radius R has a uniform thickness. A circular hole of diameter equal to the radius of the disc has been cut out as shown in figure. Find the centre of mass of the remaining disc.

1. units towards left

2. units towards Right

3. units towards left

4. units towards right

Q.

Find the centre of mass of uniform L-shaped lamina (a thin flat plate) with dimensions as shown in figure. The mass of lamina is 3 kg

1. 

2. 

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4. 

Q.

A square plate of edge 'd' and a circular disc of diameter 'd' are placed touching each other at the midpoint of an edge of the plate as shown in figure. Locate the centre of mass of the combination, assuming same mass per unit area for the two plates.

1. 

2. 

3. 

4.