MCQOPTIONS
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| 1. |
The_angle_of_inclination_of_the_plane,_at_which_the_body_begins_to_move_down_the_plane_is_called$ |
| A. | angle of friction |
| B. | angle of repose |
| C. | angle of projection |
| D. | none of the mentioned |
| Answer» C. angle of projection | |