A Collection of Problems in Illustration of the Principles of Elementary Mechanics |
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Page 7
... pounds and the other to three pounds : to find the magnitude of their resultant . The resultant is equal to ( 13+ 6/3 ) . ( 8 ) If two forces , each equal to RESULTANT OF TWO FORCES ACTING ON A POINT . 7.
... pounds and the other to three pounds : to find the magnitude of their resultant . The resultant is equal to ( 13+ 6/3 ) . ( 8 ) If two forces , each equal to RESULTANT OF TWO FORCES ACTING ON A POINT . 7.
Page 8
... pounds . ( 10 ) Two forces act at right angles to each other , one of them being 4 pounds : to find the other when the resultant is 5 pounds . The other is a force of 3 pounds . ( 11 ) If two forces of 5 and 12 pounds act at the same ...
... pounds . ( 10 ) Two forces act at right angles to each other , one of them being 4 pounds : to find the other when the resultant is 5 pounds . The other is a force of 3 pounds . ( 11 ) If two forces of 5 and 12 pounds act at the same ...
Page 10
... pounds : to deter- mine the forces . The required forces are equivalent to weights of 36 and 48 pounds . ( 27 ) The resultant of two forces acting at right angles to each other is 13 pounds : when each component is increased by 3 pounds ...
... pounds : to deter- mine the forces . The required forces are equivalent to weights of 36 and 48 pounds . ( 27 ) The resultant of two forces acting at right angles to each other is 13 pounds : when each component is increased by 3 pounds ...
Page 11
... pounds and 12 pounds . ( 28 ) Two equal weights P , P , are fixed to the ends of a string which passes over three tacks A , B , C , forming an equi- lateral triangle , A and C being in a horizontal line below B : to find the pressures ...
... pounds and 12 pounds . ( 28 ) Two equal weights P , P , are fixed to the ends of a string which passes over three tacks A , B , C , forming an equi- lateral triangle , A and C being in a horizontal line below B : to find the pressures ...
Page 23
... pounds and a force of three pounds act upon a point ; the direction of the former force being inclined at an angle of 60 ° , and that of the latter at an angle of 45 ° to a given straight line passing through the point : to find the mag ...
... pounds and a force of three pounds act upon a point ; the direction of the former force being inclined at an angle of 60 ° , and that of the latter at an angle of 45 ° to a given straight line passing through the point : to find the mag ...
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attached body is projected centre of gravity chord coefficient of friction collision component cos² cylinder denote described determine distance equal forces equation feet find the position find the pressure fixed point forces act fulcrum geometry given circle given point hence highest point horizontal plane inclined plane intersection join latus rectum length lever line of quickest lowest point magnitude and direction middle point motion moveable parabola parallel particle pendulum perpendicular point of projection position of equilibrium pound weight pounds prove pully quickest descent radii radius ratio reaction respectively rest resultant right angles seconds SECT shew sides sin² sliding smooth sphere straight line string passing supposing suspended tan¹ three forces uniform rod University of Cambridge velocity of projection vertical circle vertical plane wheel
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Page 145 - OUT of childhood into manhood Now had grown my Hiawatha, Skilled in all the craft of hunters, Learned in all the lore of old men, In all youthful sports and pastimes, In all manly arts and labors. Swift of foot was Hiawatha ; He could shoot an arrow from him, And run forward with such fleetness, That the arrow fell behind him...