Physics - Center of Mass Question with Solution | TestHub
Match the following physical quantities related to the center of mass (COM) of different uniform objects or systems.
List - I | List - II |
|---|---|
(P) Position of COM of a uniform rod of length and mass with a point mass attached at one end, from the other end. | (1) |
(Q) y-coordinate of COM of a uniform semicircular arc of radius (center at origin, arc in upper half). | (2) |
(R) z-coordinate of COM of a uniform solid hemisphere of radius (flat base in xy-plane, center at origin). | (3) |
(S) x-coordinate of COM of a uniform triangular lamina with vertices . | (4) |
Options:
Answer:
Solution:
For P, the COM is . For Q, the y-coordinate of COM of a semicircular arc is . For R, the z-coordinate of COM of a solid hemisphere is . For S, the x-coordinate of COM of a triangular lamina with vertices is .
