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a 3-lb collar a is attached to a spring of constant 5 lbin and can slide without friction on a horizontal rod the
a 14-oz sphere a and a 10-oz sphere c are attached to the ends of a rod ac of negligible weight which can rotate in a
a 18-kg collar a is attached to a spring of constant 800 nm and can slide without friction on a horizontal rod if the
a 10-lb uniform rod cd of length l 22 ft is welded at c to two elastic rods which have fixed ends at a and b and are
a uniform disk of radius r 120 mm is welded at its center to two elastic rods of equal length with fixed ends at a and
a homogeneous wire bent to form the figure shown is attached to a pin support at a knowing that r 220 mm and that
two uniform rods each of mass m 12 kg and length l 800 mm are welded together to form the assembly shown knowing that
an inverted pendulum consisting of a sphere of weight w and a rigid bar abc of length l and negligible weight is
a 2-kg uniform rod abc is supported by a pin at b and is attached to a spring at c it is connected at a to a 2-kg block
a 14-lb uniform arm abc is supported by a pin at b and is attached to a spring at a it is connected at c to a 3-lb
the block shown is depressed 12 in from its equilibrium position and released knowing that after 10 cycles the maximum
a loaded railroad car weighing 30000 lb is rolling at a constant problems velocity v0 when it couples with a spring and
a 4-kg block a is dropped from a height of 800 mm onto a 9-kg block b which is at rest block b is supported by a spring
a small trailer and its load have a total mass of 250-kg the trailer is supported by two springs each of constant 10
a 60-lb disk is attached with an eccentricity e 0006 in to the midpoint of a vertical shaft ab which revolves at a
a 180-kg motor is supported by springs of total constant 150 knm the unbalance of the rotor is equivalent to a 28-g
the unbalance of the rotor of a 400-lb motor is equivalent to a 3-oz problems weight located 6 in from the axis of
a 180-kg motor is bolted to a light horizontal beam the unbalance of its rotor is equivalent to a 28-g mass located 150
the barrel of a field gun weighs 1500 lb and is returned into firing position after recoil by a recuperator of constant
a machine elements supported by springs by and is connected to a dashpot as shown show that if a periodic force of
a counter-rotating eccentric mass exciter consisting of two rotating 400-g masses describing circles of 150-mm radius
100-kg motor is supported by four springs each of constant 90 knm and is connected to the ground by a dashpot having a
a 50-kg motor is directly supported by a light horizontal beam problems which has a static deflection of 6 mm due to
1100-lb machine element is supported by two springs each of constant 3000 lbft a periodic force of 30-lb amplitude is
a 4-lb uniform rod is supported by a pin at o and a spring at a and is connected to a dashpot at b determinea the