 | James Jeans - 1907 - 375 σελίδες
...tied to a string which is pulled up with tension T. Find the tension in the chain at any point. 7. Prove that the shortest time from rest to rest, in...weight of W tons through a vertical distance of h feet is 8, In a system of pulleys with one fixed and one movable block, in which the cord is attached... | |
 | Robert James Allman Barnard - 1916 - 396 σελίδες
...— 'yp £• * M' - M 16 and that the rope exerts the force M' tons wt. for Ivi. T 'M'(M'-M) 16' 18. Prove that the shortest time from rest to rest in which a chain which can bear a stress of 5 cwt. can lift a weight of 3 cwt. a vertical distance of 40 ft. is 21 sees., and shew that... | |
 | Robert James Allman Barnard - 1916 - 390 σελίδες
...be performed is / — jyp ^r-M 16^0>, and that the rope exerts the force IVT tons wt. for "jvp ; 18. Prove that the shortest time from rest to rest in which a chain which can bear a stress of 5 cwt. can lift a weight of 3 cwt. a vertical distance of 40 ft. is 2J sees., and shew that... | |
 | James Jeans - 1907 - 390 σελίδες
...tied to a string which is pulled up with tension T. Find the tension in the chain at any point. 7. Prove that the shortest time from rest to rest, in...weight of W tons through a vertical distance of h feet is 8. In a system of pulleys with one fixed and one movable block, in which the cord is attached... | |
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Prove that the shortest time from rest to rest in which a chain which can bear a steady load of P tons wt. can lift or lower a weight of W tons through a vertical distance of h ft. is -P~ ~ secs- [LoND-] 2. 