Libros Libros
A body, of weight 2P, is kept in equilibrium on an inclined plane by a horizontal force P, together with a force P acting parallel to the plane ; find the ratio of the base of the...
New Cambridge Guide; Or, A Description of the University, Town, and County ... - Página 65
1804 - 130 páginas
Vista completa - Acerca de este libro

Register

University of Cambridge - 1804
...PROBLEMS.— Mr. WOODHODSE. Fifth and Sixth Classes. ' 1. At 3-J per cent, to find the interest of £.3. 154. 4d. for one year. 2. It is required to inscribe in....diminished by one-fourth of its present quantity. T 4. Shew that the velocity of the Earth continually increases from the mean to the perihelion distance....
Vista completa - Acerca de este libro

Cambridge Problems: Being a Collection of the Printed Questions Proposed to ...

1821 - 425 páginas
...Problems. — Mr. WOODHOUSE. FIFTH AND SIXTH CLASSES. 1. At 3| per cent. to find the interest of <£3. 15*. 4d. for one year. 2. It is required to inscribe in...increases from the mean to the perihelion distance. 6. Prove that cos. 2 a = 2 (cos. a)a - 1 (radius = 1.) 7. Find the focal length of a plano-convex lens,...
Vista completa - Acerca de este libro

Mechanical Problems: Adapted to the Course of Reading in the University of ...

Mechanical problems - 1828 - 184 páginas
...inclined plane into three parts, so that the times of descent down them may be equal. 75. Determine the time of describing 30 feet on a plane inclined...diminished by one-fourth of its present quantity. 76. The times of falling down the length and height of an inclined plane being in the ratio of m :...
Vista completa - Acerca de este libro

The Cambridge Course of Elementary Natural Philosophy: Being the ...

Thomas Lund - 1864 - 179 páginas
...string being parallel to the plane. Find the condition of equilibrium. (16) A weight W is supported on a plane inclined to the horizon at an angle of 30° (one-third of a right angle), by a force P acting parallel to the plane: find the relation between...
Vista completa - Acerca de este libro

The Cambridge Course of Elementary Natural Philosophy: Being the ...

Thomas Lund - 1864 - 179 páginas
...string being parallel to the plane. Find the condition of equilibrium. (16) A weight W is supported on a plane inclined to the horizon at an angle of 30° (one-third of a right angle), by a force P acting parallel to the plane: find the relation between...
Vista completa - Acerca de este libro

A collection of elementary test questions in pure and mixed mathematics ...

James Robert Christie - 1866 - 404 páginas
...whole may be in equilibrium ? 5. A field-gun, which with its carriage weighs 24 cwt., is supported on a plane inclined to the horizon at an angle of 30°, by means of ropes going round on the outside of the wheels, and each hooked to a block of pulleys of...
Vista completa - Acerca de este libro

Principles of Mechanics

Thomas Minchin Goodeve - 1874
...without oil. = . 33 for wood on wood. = . 65 for dry masonry. Ex. I. A body just rests without support on a plane inclined to the horizon at an angle of 30°. What is the coefficient of friction between the body and the plane ? (Science Exam. 1871.) Ex. 2. A...
Vista completa - Acerca de este libro

Elements of Dynamics (kinetics and Statics): With Numerous Exercises. A Text ...

John Lovell Robinson - 1888 - 348 páginas
...and r- tan («'—«). Ji JK Example i. — A mass of 40 Ibs. rests in a state bordering on motion on a plane inclined to the horizon at- an angle of 30° ; find the coefficient of friction. We may use the theorem of Art . 26 1 , and say at once that /j....
Vista completa - Acerca de este libro

An elementary treatise on mechanics

Isaac Warren - 1889
...to sustain on it a weight of 20 Ibs. — (MR. PURSBK.) Am. P= (12 - 16/i) Ibs. 5. A weight is placed on a plane inclined to the horizon at an angle of 30°. If the angle of friction be 60°, compare the forces required to move the weight up and down, these...
Vista completa - Acerca de este libro

The Elements of Statics and Dynamics: Elements of statics

Sidney Luxton Loney - 1891
...the ratio of the base of the plane to the height and also the pressure on the plane. 6. A body rests on a plane, inclined to the horizon at an angle of 30°, being supported by a power inclined at 30° to the plane ; find the ratio of the weight of the body...
Vista completa - Acerca de este libro