A Collection of Problems in Illustration of the Principles of Elementary Mechanics |
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Page 33
... feet and base 4 feet , and is attached by a string to an equal weight hanging over the top of the plane : find how much must be added to the weight on the plane that there may be equilibrium , and determine the pressure on the plane ...
... feet and base 4 feet , and is attached by a string to an equal weight hanging over the top of the plane : find how much must be added to the weight on the plane that there may be equilibrium , and determine the pressure on the plane ...
Page 44
... feet from the fulcrum , balances a weight 3P placed at the other end : find the length of the lever , neg- lecting its weight . The length of the lever is 4 feet . ( 11 ) ABC is a straight rod , B 44 EQUILIBRIUM OF A BODY.
... feet from the fulcrum , balances a weight 3P placed at the other end : find the length of the lever , neg- lecting its weight . The length of the lever is 4 feet . ( 11 ) ABC is a straight rod , B 44 EQUILIBRIUM OF A BODY.
Page 45
... feet , will balance at a point 2 feet from the end A ; but , when a weight of 100lbs . is hung from the end B , it balances at a point 2 feet from that end : find the weight of the beam . The required weight is 25lbs . ( 13 ) ABC is a ...
... feet , will balance at a point 2 feet from the end A ; but , when a weight of 100lbs . is hung from the end B , it balances at a point 2 feet from that end : find the weight of the beam . The required weight is 25lbs . ( 13 ) ABC is a ...
Page 46
William Walton. ( 17 ) The lever of a false balance is 3 feet long , and , if a certain body is placed in one scale , it weighs 4lbs . , and , in the other , weighs 6 lbs . 4oz .: find the true weight of the body and the lengths of the ...
William Walton. ( 17 ) The lever of a false balance is 3 feet long , and , if a certain body is placed in one scale , it weighs 4lbs . , and , in the other , weighs 6 lbs . 4oz .: find the true weight of the body and the lengths of the ...
Page 47
... feet , and rlbs . , when it is removed q feet , further from that end ; find the weight of the log . The required weight is equal to пр m -n rq m - r 9 Ρ m- 2 m - n SECT . 2 . Body acted on by any number MOVEABLE ABOUT A FIXED AXIS . 47 26.
... feet , and rlbs . , when it is removed q feet , further from that end ; find the weight of the log . The required weight is equal to пр m -n rq m - r 9 Ρ m- 2 m - n SECT . 2 . Body acted on by any number MOVEABLE ABOUT A FIXED AXIS . 47 26.
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Common terms and phrases
body is projected centre of gravity chord coefficient of friction collision component cos² cylinder denote described determine directrix distance equal forces equation feet find the position find the pressure fixed point forces act fulcrum geometrical progression given circle given point hangs hence highest point horizontal plane impact impinges inclined plane intersection join latus rectum lever line of quickest lowest point magnitude and direction mass middle point motion moveable parabola parallel parallelogram particle perfectly elastic ball perpendicular point of projection position of equilibrium pound weight pounds prove pully quickest descent radii radius ratio reaction respectively rest resultant right angles SECT shew sides sin² sliding smooth sphere straight line string passing supposing suspended tan¹ tangent three forces uniform rod velocity of projection vertex vertical circle vertical plane
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