 | William Walton - Fluid mechanics - 1855 - 602 pages
...in the required position, ,, sin 2e tan 0 = . cos 2e — cos 2a (12) A square board ABCD, (fig. 49), the plane of which is vertical, rests with its side...plane of the board ; the side AB resting, at a point indefinitely near to B, upon a rough peg : to find the least value of the coefficient of friction,... | |
 | Dublin city, univ - 1869 - 336 pages
...never the easiest method. 5. A rectangular board, the plane of which is vertical, rests with one side in contact with a rough vertical wall which is perpendicular to the plane of the board, the lower side resting at the extremity remote from the wall upon a peg which is equally rough ; if c be... | |
 | W. G. Willson - Dynamics - 1874 - 294 pages
...100 fts. from sliding down the plane, the coefficient of friction being ,/J Ans. SOfts. 8. A square board ABCD, the plane of which is vertical, rests...perpendicular to the plane of the board ; the side AB rests at a point indefinitely near to B, upon a rough peg ; find the least value of the angle of friction,... | |
 | William Walton - Fluid mechanics - 1876 - 750 pages
...required length of the bar is equal to a 1 1 + - tan a ) . \ /* / (15) A square board ABCD, (fig. 49), the plane of which is vertical, rests with its side...perpendicular to the plane of the board ; the side AS resting, at a point indefinitely near to B, upon a rough peg: to find the least value of the coefficient... | |
 | Dublin city, univ - 1876 - 420 pages
...corrections due to a change of place, and of length, respectively. 5. A square board AS CD, whose plane is vertical, rests with its side AD in contact with a rough vertical wall, perpendicular to the plane of the board, the side AB resting on a rough peg, indefinitely near to S... | |
 | Robert Samuel Heath - Statics - 1913 - 310 pages
...rods and a its inclination to the horizon, prove that in limiting equilibrium 1= V(a2-6 34. A square board ABCD, the plane of which is vertical, rests...which is perpendicular to the plane of the board, and the side AB rests on a rough peg near B. If p is the coefficient of friction between the board... | |
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ABCD, (fig. 49), the plane of which is vertical, rests with its side AD in contact with a rough vertical wall, which is perpendicular to the plane of the board ; the side AB resting... 