Question Answers

Sahay Sir > Question Answers > Arihant Physics by D.C Pandey > Volume 1 > Chapter 8 - COM, Momentum and Collision > Two blocks of masses 2kg and 1kg respectively are tied to the ends of a string which passes over a light frictionless pulley. The masses are held at rest at the same horizontal level and then released. The distance traversed by the centre of mass in 2s is : (g=10m/s2)

Two blocks of masses 2kg and 1kg respectively are tied to the ends of a string which passes over a light frictionless pulley. The masses are held at rest at the same horizontal level and then released. The distance traversed by the centre of mass in 2s is : (g=10m/s2)

A metre rule weighing 100 g rests on a table with a part projecting over the edge. the length of the part projecting out if a 5 g body hung at the end just tills the rule is .