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An 4-kg collar A can slide without friction along a vertical rod and is released from rest in the position shown with the springs undeformed
An airline pilot climbs to a new flight level along the path shown. Knowing that the speed of the airplane decreases at a constant rate from 540 ft/s
An airline pilot climbs to a new flight level along the path shown. The motion of the airplane between A and B is defined by the relation s = 3t (180 - t)
An airline employee tosses two suitcases in rapid succession, with a horizontal velocity of 7.2 ft/s, onto a 50-lb baggage carrier which is initially at rest.
An aerial tramway cable of length 500 ft and weighing 2.8 lb/ft is suspended between two points at the same elevation
A vibrometer used to measure the amplitude of vibrations consists of a box containing a mass-spring system with a known natural frequency of 150 Hz.
A vertical trapezoidal gate that is used as an automatic valve is held shut by two springs attached to hinges located along edge AB.
A uniformly loaded square crate is released from rest with its corner D directly above A; it rotates about A until its corner B strikes the floor
A wheel of radius r rolls without slipping along the inside of a fixed cylinder of radius R with a constant angular velocity ?.
A wheel of radius r and centroidal radius of gyration k is released from rest on the incline and rolls without sliding.
A wheel of radius r and centroidal radius of gyration k is released from rest on the incline shown at time t = 0
A weather satellite of mass 5000 kg, including fuel, has been ejected from a space shuttle describing a low circular orbit around the earth.
A worker is raising a 9.2-m-long ladder of mass 53 kg as shown. Knowing g a = 1.8 m and that the force exerted by the worker is perpendicular to the ladder
A wire of uniform cross section having a mass of 1.2 kg/m is used to form the wire figure shown, which is suspended from cord AD
A window pole is used to open a window as shown. Knowing that the pole exerts on the window a force P directed along the pole and that the magnitude
A wheel rolls without slipping on a fixed cylinder. Knowing that at the instant shown the angular velocity of the wheel is 10 rad/s clockwise
A uniform sphere of radius r is placed at corner A and is given a slight clockwise motion. Assuming that the corner is sharp and becomes slightly embedded
A uniform slender rod of mass m and length 4r rests on the surface shown and is held in the given equilibrium position by the force P.
A uniform slender rod of length L is dropped onto rigid supports at A and B. Immediately before striking A the velocity of the rod is v1.
Determine the maximum absolute values of the shear and bending moment.
There are several consequences of deceptive advertising. Many marketers use celebrities to influence consumers to purchase their product or service.
A uniform rod AB, of mass 4 kg and length L = 1.5 m, is released from rest in the position shown
A uniform rod having a length of l m and mass of 2 kg is suspended from two cords AC and BC. Determine the angle ? corresponding to the equilibrium position
A uniform slender L-shaped bar ABC is at rest in a vertical plane when two upward forces are applied as shown.
A uniform slender bar AB of mass m is suspended as shown from a uniform disk of the same mass m. Determine the accelerations of points A and B