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Q. |
A body of weight 100 kg is placed on a horizontal plane. A horizontal force of 30 kg is applied and the block is just on the point of motion. The angle of friction is |
A. | About 16? |
B. | 30? |
C. | 45? |
D. | 60? |
E. | None of the above |
Answer» A. About 16? |
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