MCQOPTIONS
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MCQOPTIONS
| 1. |
A uniform block of mass m resting on a rough horizontal plane just starts moving when pulled by a string with a force of magnitude mg making an angle of 45◦ with the horizontal. Then the block will move if it is |
| A. | pulled by a horizontal force of magnitude mg. |
| B. | pulled by a force of magnitude mg making an angle of 30◦ with the horizontal. |
| C. | pushed by a force of magnitude mg making an angle of 45◦ with the horizontal. |
| D. | pulled by a force of magnitude mg making an angle 60◦ with the horizontal. |
| Answer» E. | |