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Determine by direct integration the mass moment of inertia with respect to the z axis of the truncated right circular cone shown
Derive an expression for the mechanical efficiency of the jack discussed. Show that if the jack is to be self-locking, the mechanical efficiency cannot exceed 1
Consider the composite body shown. Consider the composite body shown.
The x, y, and z components of the 1900-N force
Cars A and B are d = 60 m apart and are traveling respectively at the constant speeds of (vA)0 = 32 km/h and (vB)0 = 24 km/h on an icecovered road
Cars A and B are traveling respectively at the constant speeds of (vA)0 = 22 mi/h and (vB)0 = 13 mi/h on an ice-covered road.
Coal is discharged from the tailgate of a dump truck with an initial velocity vA = 2 m/s A 50°. Determine the radius of curvature of the trajectory
Collar A can slide freely on the semicircular rod shown. Knowing that the constant of the spring is k and that the unstretched length of the spring
Collar B slides along rod AC and is attached to a block that moves in a vertical slot. Knowing that R = 18 in., ?= 30°, ?= 6 rad/s, and a = 4 rad/s2
Collar B has a mass of 4 kg and is attached to a spring of constant 1500 N/m and of undeformed length of 0.4 m.
Collar A starts from rest at t = 0 and moves upward with a constant acceleration of 3.6 in/s2. Knowing that collar B moves downward with a constant velocity
Collar A starts from rest and moves to the right with a constant acceleration. Knowing that after 8 s the relative velocity of collar B with respect to collar
Collar A can slide on a frictionless vertical rod and is attached as shown to a spring. The constant of the spring is 4 lb/in., and the spring is unstretched
Collar P slides toward point A at a constant relative speed of 6ft/s along rod AB which rotates counterclockwise with a constant angular velocity of 5rad/s
Collar D slides on a fixed vertical rod. Knowing that the disk has a constant angular velocity of 15 rad/s clockwise, determine the angular acceleration of bar
Collar D slides on a fixed horizontal rod with a constant velocity of 1.2 m/s to the right
Collar C has a weight of 18 lb and can slide freely on rod AB, which in turn can rotate freely in a horizontal plane.
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, respectively, when the truck is empty
Cable ABCDE supports three loads as shown.
Car A is parked along the northbound lane of a highway, and car B is traveling in the southbound lane at a constant speed of 96 km/h
Car A is traveling on a highway at a constant speed (vA)0 = 100km/h and is 120 m from the entrance of an access ramp when car B enters the acceleration lane
Collars A and B start from rest and move with the following accelerations: aA = 2.5t in/s2 upward and aB = 15 in/s2 downward
Boom AB is held in the position shown by three cables. Knowing that the tensions in cables AC and AD are 900 lb and 1200 lb, respectively
Boxes are transported by a conveyor belt with a velocity v0 to a fixed incline at A where they slide and eventually fall off at B
Blocks A and B are connected by a cable that passes over support C. Friction between the blocks and the inclined surfaces may be neglected.