upon the rim ......? of a cylindrical can filled with water. The 30-cm mark of the stick lies directly at the center of the circular cross section of the can. A 40-gm ball is hung on the 100cm end, while a wooden block of weight W is placed near the zero end to maintain balance. What is the...
...the rim of a 20-cm can filled..? ....water. The cross section of the can is a circle with a diameter of 20cm. The 30-cm mark lies exactly on the center of the circle. A 40-gm ball is tied to the 100-cm mark of the stick and a wooden block of weight W is placed near the zero end to maintain...