A Collection of Problems in Illustration of the Principles of Elementary Mechanics |
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Page 44
... inches , rests on a fulcrum placed at the distance of 3 inches from one of its ends : find what weight must be suspended from that end to balance the longer arm . The required weight is equal to W. ( 10 ) A power P , acting vertically ...
... inches , rests on a fulcrum placed at the distance of 3 inches from one of its ends : find what weight must be suspended from that end to balance the longer arm . The required weight is equal to W. ( 10 ) A power P , acting vertically ...
Page 45
... inches long , placed between two pegs at A and B , 4 inches apart , so as to be kept horizontal by means of them and a weight of 10lbs . hang- ing at C : find the pressures on the pegs . The pressure on the pegs A , B , are respectively ...
... inches long , placed between two pegs at A and B , 4 inches apart , so as to be kept horizontal by means of them and a weight of 10lbs . hang- ing at C : find the pressures on the pegs . The pressure on the pegs A , B , are respectively ...
Page 46
... inches and the other 9 inches in length : by always putting the weight into the scale with the shorter arm , how much does the shop - keeper gain in every cwt . ? He gains one twentieth of a hundred - weight . ( 20 ) An isosceles ...
... inches and the other 9 inches in length : by always putting the weight into the scale with the shorter arm , how much does the shop - keeper gain in every cwt . ? He gains one twentieth of a hundred - weight . ( 20 ) An isosceles ...
Page 47
... inch , find the lengths of the arms . The lengths of the arms in inches are √5 and √5 . ( 25 ) One end of a uniform beam is placed on the ground against a fixed obstacle , and to the other is attached a string , which runs in a ...
... inch , find the lengths of the arms . The lengths of the arms in inches are √5 and √5 . ( 25 ) One end of a uniform beam is placed on the ground against a fixed obstacle , and to the other is attached a string , which runs in a ...
Page 51
... inches distant from one extremity ; and from the end nearest to the fulcrum a weight of 16 pounds is suspended : find where a weight of 6 pounds must be suspended in order to produce equilibrium . The weight must be suspended from the ...
... inches distant from one extremity ; and from the end nearest to the fulcrum a weight of 16 pounds is suspended : find where a weight of 6 pounds must be suspended in order to produce equilibrium . The weight must be suspended from the ...
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Common terms and phrases
accelerating attached balance ball beam body centre of gravity chord circle collision component cylinder denote descent described determine direction distance draw drawn Edition elasticity equal equation equilibrium extremity falling feet fixed forces act former friction fulcrum given point greatest ground hangs heavy hence horizontal plane inches inclined plane intersection join latter length lower magnitude mass meet middle point motion moving opposite parallel particle passes placed portion position of equilibrium pounds pressure produce projection proportional prove pully radius ratio reaction represented respectively rest resultant right angles ring rough seconds SECT shew sides sliding smooth space sphere square straight line string supported supposing suspended tension three forces triangle uniform unit velocity vertical vertical plane wall weight wheel whole
Popular passages
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...