38. Weights of 1g,2g,……..100g are suspended from the 1 cm, 2 cm, …… 100 cm, marks respectively of a light metre scale. Where should it be supported for the system to be in equilibrium (a) 55 cm mark (b) 60 cm mark (c) 66 cm mark (d) 72 cm mark Ans. c (27) Read More
