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the belt shown moves over two pulleys without slipping at the instant shown the pulleys are rotating clockwise and the
the acceleration due to gravity of a particle falling toward the earth is a -gr2r2 where r is the distance from the
1 solve cos 2thetanbsp i sin 2thetacos thetanbsp 2 i sin thetanbsp 22nbspfind the imaginary part of
the 75-kg rod bc connects a disk centered at a to crank cd knowing that the disk is made to rotate at the constant
the 300-mm uniform rod bd of mass 3 kg is connected as shown to crank ab and to collar d of negligible mass which can
the 30-kg turbine disk has a centroidal radius of gyration of 175 mm and is rotating clockwise at a constant rate of 60
the 200-n force is to be resolved into components along lines a-a and b-b a determine the angle a using trigonometry
the 160-mm-radius brake drum is attached to a larger flywheel that is not shown the total mass moment of inertia of the
fundamentals of analog communication1 define communication2 define modulationnbspnbspnbspnbsp3 why modulation is
the 100-mm-radius brake drum is attached to a flywheel which is not shown the drum and flywheel together have a mass of
the 10-kg block b is supported by the 40-kg block a which is pulled up an incline by a constant 500 n force neglecting
assuming that the hinge at a is removed and that the hinge at b can exert couples about the y and x axes problem 4124 a
small wheels attached to the ends of rod ab roll along two surfaces knowing that at the instant shown the velocity va
packages in an automobile parts supply house are transported to the loading dock by pushing them along a roller track
member abcd is supported by a pin and bracket at c and by an inextensible cord attached at a and d and passing over
in order to determine the mass moment of inertia of a flywheel of radius 15 ft a 20-lb block is attached to a wire that
in a water-tank test involving the launching of a small model boat the models initial horizontal velocity is 20 fts and
in a game of pool ball a is moving with a velocity v0 of magnitude v0 15 fts when it strikes balls b and c which are
in a continuous printing process paper is drawn into the presses at a constant speed v denoting by r the radius of the
four small disks a b c and d can slide freely on a frictionless horizontal surface disks b c and d are connected by
for the tower and loading of prob 621 and knowing that 500 fch fej lb c and feh 0 determine the force in member hj
for the game of billiards of prob 1455 it is now assumed that v0 5 msvc 32 ms and c 122 m determinea the velocities
during a high-speed chase an 1100-kg sports car traveling at a speed of 160 kmh just loses contact with the road as it
determine the components of the reactions at a and e when a counterclockwise couple of magnitude 192 lb middot in is
by driving a truck over a scale it was determined that the loads on the front and rear axles are 18 kn and 12 kn