Q: Solve the preceding problem for W = 1.0 lb,
Solve the preceding problem for W = 1.0 lb, h = 12 in., and k = 0.5 lb/in. Data from Problem 4: A block weighing W = 5.0 N drops inside a cylinder from a height h = 200 mm onto a spring having stif...
See AnswerQ: A small rubber ball (weight W = 450 Nm) is
A small rubber ball (weight W = 450 Nm) is attached by a rubber cord to a wood paddle (see figure). The natural length of the cord is Lo = 200 mm, its cross-sectional area is A = 1.6 mm2, and its modu...
See AnswerQ: A weight W = 4500 lb falls from a height h onto
A weight W = 4500 lb falls from a height h onto a vertical wood pole having length L = 15 ft, diameter d = 12 in., and modulus of elasticity E = 1.6 × 106 psi (see figure). If the allowab...
See AnswerQ: A cable with a restrainer at the bottom hangs vertically from its
A cable with a restrainer at the bottom hangs vertically from its upper end (see figure). The cable has an effective cross-sectional area A = 40mm2 and an effective modulus of elasticity E = 130 GPa....
See AnswerQ: Solve the preceding problem if the slider has W = 100 lb
Solve the preceding problem if the slider has W = 100 lb, h = 45 in., A= 0.080 in2, E = 21 × 106 psi, and the allowable stress is 70 ksi. Data from Problem 8: A cable with a restrainer...
See AnswerQ: A bumping post at the end of a track in a railway
A bumping post at the end of a track in a railway yard has a spring constant k = 8.0 MN/m (see figure). The maximum possible displacement δ of the end of the striking plate is 450 mm. Wha...
See AnswerQ: A bumper for a mine car is constructed with a spring of
A bumper for a mine car is constructed with a spring of stiffness k = 1120 lb/in. (see figure). If a car weighing 3450 lb is traveling at velocity v = 7 mph when it strikes the spring, what is the max...
See AnswerQ: A bungee jumper having a mass of 55 kg leaps from a
A bungee jumper having a mass of 55 kg leaps from a bridge, braking her fall with a long elastic shock cord having axial rigidity EA = 2.3 kN (see figure). If the jump off point is 60 m above the wate...
See AnswerQ: A weight W rests on top of a wall and is attached
A weight W rests on top of a wall and is attached to one end of a very flexible cord having cross-sectional area A and modulus of elasticity E (see figure). The other end of the cord is attached secur...
See AnswerQ: A flying buttress transmits a load P = 25 kN, acting
A flying buttress transmits a load P = 25 kN, acting at an angle of 60° to the horizontal, to the top of a vertical buttress AB (see figure). The vertical buttress has height h = 5.0 m and...
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