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part one short answer questions based on the materials taught in the lecture briefly answer the following questions
for the intersection curve r 10 m at elm street station a 0 15 to station da compute the length of arcb determine the
an electromagnetic fatigue-testing machine is shown in fig 341 in which an alternating force is applied to the specimen
a tv antenna tower is braced by four cables as shown in fig 277 each cable is under tension and is made of steel with a
a helical spring of stiffness k is cut into two halves and a mass m is connected to the two halves as shown in fig 281a
figure 282 shows a metal block supported on two identical cylindrical rollers rotating in opposite directions at the
a scissors jack is used to lift a load w the links of the jack are rigid and the collars can slide freely on the shaft
a building frame is modeled by four identical steel columns each of weight w and a rigid floor of weight w as shown in
a flywheel is mounted on a vertical shaft as shown in fig 276 the shaft has a diameter d and length l and is fixed at
a pressure-vessel head is supported by a set of steel cables of length 2 m as shown in fig 275 the time period of axial
the crate of mass 250 kg hanging from a helicopter shown in fig 274a can be modeled as shown in fig 274b the rotor
the inclined manometer shown in fig 273 is used to measure pressure if the total length of mercury in the tube is l
a square platform pqrs and a car that it is supporting have a combined mass of m the platform is suspended by four
in the hartnell governor shown in fig 271 the stiffness of the spring is nm and the weight of each ball is 25 n the
the schematic diagram of a centrifugal governor is shown in fig 270 the length of each rod is l the mass of each ball
an acrobat weighing 120 lb walks on a tightrope as shown in fig 269 if the natural frequency of vibration in the given
a bungee jumper weighing 160 lb ties one end of an elastic rope of length 200 ft and stiffness 10 lbin to a bridge and
the equation of motion of a spring-mass system is given by units si systema determine the static equilibrium position
an automobile is found to have a natural frequency of 20 rads without passengers and 1732 rads with passengers of mass
the free-vibration response of a spring-mass system is observed to have a frequency of 2 rads an amplitude of 10 mm and
knowing that the eight members of the indeterminate truss shown have the same uniform cross-sectional area determine
the ship at a has just started to drill for oil on the ocean floor at a depth of 5000 ft the steel drill pipe has an
three rods each of the same flexural rigidity ei are welded to form the frame abcd for the loading shown determine the
a steel cantilever beam is used to carry a machine at its free end to save weight it is proposed to replace the steel
use rayleigh s method to solve problem 226problem 226a mass m is attached to a cord that is under a tension t as shown