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a uniform slender rod of length l and mass m rotates about a vertical axis aa with a constant angular velocity v
the 4-lb rod ab and the 6-lb rod bc are connected as shown to a disk that is made to rotate in a vertical plane at a
solve prob 16134 assuming that at the instant shown bar ab has an angular velocity of 24 rads clockwise and an angular
end a of the 8-kg uniform rod ab is attached to a collar that can slide without friction on a vertical rod end b of the
the 4-lb uniform rod ab problems is attached to collars of negligible mass which may slide without friction along the
the uniform rod ab of weight w is released from rest when szlig 70deg assuming that the friction force between end a
a cyclist is riding a bicycle at a speed of 20 mph on a horizontal road the distance between the axles is 42 in and the
the axis of a 5-in-radius disk is fitted into a slot that forms an angle theta 30deg with the vertical the disk is at
a uniform disk of mass m 4 kg and radius r 150 mm is supported by a belt abcd that is bolted to the disk at b and c
the instant shown the 6 m long uniform 50-kg pole abc has an angular velocity of 1 rads counterclockwise and point c is
a uniform plate of mass m review problems is suspended in each of the ways shown for each case determine immediately
in prob 1760 determine the time required for the angular velocity of the flywheel to be reduced to 40 rpm clockwiseprob
a tape moves over the two drums shown drum a weighs 14 lb and has a radius of gyration of 075 in while drum b weighs 35
a cylinder of radius r and weight w with an initial counterclockwise angular velocity omega0 is placed in the corner
two disks of the same thickness and same material are attached to a shaft as shown the 3-kg disk a has a radius ra 100
consider a rigid slab initially at rest and subjected to an impulsive force f contained in the plane of the slab we
a wheel of radius r and centroidal radius of gyration k is released from rest on the incline shown at time t 0
a 4000-lb flywheel with a radius of gyration of 27 in is allowed to coast to rest from an angular velocity of 450 rpm
the shaft-disk-belt arrangement shown is used to transmit 24 kw from point a to point d knowing that the maximum
a small 2-kg collar c can slide freely on a thin ring of mass 3 kg and radius 250 mm the ring is welded to a short
the circular platform a is fitted with a rim of 200-mm inner radius and can rotate freely about the vertical shaft it
assuming that the tail propeller in prob 1784 is operating and that the angular velocity of the cab remains zero
two 08-lb balls are to be put successively into the center c of the slender 4-lb tube ab knowing that when the first
two uniform cylinders each of weight w 14 lb and radius r 5 in are connected by a belt as shown if the system is
the double pulley shown has a mass of 3 kg and a radius of gyration of 100 mm knowing that when the pulley is at rest a