4. The identical objects each of mass m kg are placed one at each vertex of an equilateral triangle of sides l . Show that the center of mass of the system coincides with the centroid of the triangle. If one of the masses is 2 m, then explain how the center of mass (C.M.) will shift from its earlier position?

Solution

By Definition,

but,

Index

3.1 Dynamics of a particle
3.2 Dynamics of a system of particles
3.3 Law of Conservation of Momentum

Chapter 4