MCQOPTIONS
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MCQOPTIONS
| 1. |
A body of mass \[M\]is kept on a rough horizontal surface (friction coefficient \[\mu \]). A person is trying to pull the body by applying a horizontal force but the body is not moving. The force by the surface on the body is \[F\], where |
| A. | \[F=mg\] |
| B. | \[F=\mu Mgf\] |
| C. | \[Mg\le F\le Mg\sqrt{1+{{\mu }^{2}}}\] |
| D. | \[Mg\,\ge F\,\ge =\mu Mg\sqrt{1+{{\mu }^{2}}}\] |
| Answer» D. \[Mg\,\ge F\,\ge =\mu Mg\sqrt{1+{{\mu }^{2}}}\] | |