MCQOPTIONS
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MCQOPTIONS
| 1. |
A worker piles up sand onto a circular area of radius R. No sand is to spill onto the surrounding area. The coefficient of friction of sand on sand is \[\mu \]. The greatest volume of the sand that can be stored in the manner is |
| A. | \[\frac{\pi \mu {{R}^{3}}}{3}\] |
| B. | \[\frac{\pi \mu {{R}^{3}}}{6}\] |
| C. | \[\frac{\pi {{R}^{3}}}{3\mu }\] |
| D. | None |
| Answer» B. \[\frac{\pi \mu {{R}^{3}}}{6}\] | |