Two objects of mass 10 kg and 20 kg respectively are connected to the two ends of a rigid rod of len

Question

Two objects of mass 10 kg and 20 kg respectively are connected to the two ends of a rigid rod of length 10 m with negligible mass. The distance of the center of mass of the system from the 10 kg mass is

Professor PC Thomas Classes · Answer

$x_{cm} = \frac{m_1 x_1 + m_2 x_2}{m_1 + m_2} = \frac{10(0) + 20(10)}{30} = \frac{200}{30} = \frac{20}{3}$ m.