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for each vector find the direction angles and write an expression for the vector using cartesian representation
write an expression for each force using cartesian representation and evaluate the resultant force vector sketch the
rod ab is the firing pin for the right-hand barrel of a side-by-side shotgun during firing end a is impacted by the
a slide on a childs play structure is to be supported in part by strut cd railings are omitted from the sketch for
the collar c is fixed to rod ab using a glued bond that allows a maximum force of 35 n parallel to the axis of the rod
the structure consists of a quarter-circular rod ab with radius 150 mm that is fixed in the xy plane an elastic cord
impact of debris both natural and artificial is a significant hazard for spacecraft space shuttle windows are routinely
a buildings roof has 6 in 12 slope in the front and back and 8 in 12 slope on the sides determine the angles alpha and
structural member ab is to be supported by a strut cd determine the smallest length cd may have and specify where d
repeat prob 283 for a left-handed pitcher whose release point is dprob 283the manager of a baseball team plans to use a
an architect specifies the roof geometry shown for a building each of lines eab bd dcg eg and ac are straight two
for the loading and geometry shown use the interaction diagram of prob 2106 to determine if the manufacturers combined
a four cylinder engine has the two outer cranks at 120deg to each other and their reciprocating masses are each 400kg
consult the dodge bearing catalog for a spherical bearing at httpdodge-ptcom literatureindexhtml and specify a
two gears with a module of 2 mm are mounted at a center distance of 130 mm in a 4 1 ratio reduction gear set find the
a gear speed reducer with a 10 to 1 speed reduction ratio has an output torque of 50 lb middot in at an output speed of
a no 312 radial-contact ball bearing is loaded uniformly without shock as follows 55 percent of the time 7 kn and 1800
figure p1528 shows a machine being gear-driven by a motor use of the idler gear causes the input and output shafts to
a pair of involute gears have base circle diameters of 60 and 120 mma if the center distance is 120 mm what is the
a 24-tooth pinion has a module of 2 mm rotates 2400 rpm and drives an 800-rpm gear determine the number of teeth on the
a 20-tooth pinion with a diametral pitch of 8 rotates 2000 rpm and drives a gear at 1000 rpm what are the number of
a pair of spur gears on 168 mm centers have a 3 1 speed reduction ratio with a module of 4 mm what are the numbers of
the 20-tooth pinion of problem 1520 rotates 210 rpm determine graphically the sliding velocity between the teetha at
for the gears in problem 1531 estimate the horsepower that can be transmitted based on surface durabilityproblem 1531a
an engineer unfamiliar with the workings of planetary gears is having great difficulty determining a combination of