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The building section associated with the floor plan in Figure. Assume a live load of 60 lb/ft2 on all three floors.
The uniformly distributed live load on the floor plan in Figure is 60 lb/ft2. Establish the loading for members (a) floor beam B1, (b) floor beam B2.
The dimensions of a 9-m-high warehouse are shown in Figure. The windward and leeward wind pressure profiles in the long direction.
The dimensions of an enclosed gabled building are shown in Figure a. The external pressures for the wind load perpendicular.
Determine the wind pressure distribution on the four sides of the 10-story hospital shown in Figure.
Determine the deadweight of a 1-ft-long segment of the prestressed, reinforced concrete tee-beam hose cross section is shown in Figure.
What force causes the centripetal acceleration when the coin is stationary relative to the turntable?
The box is moved 20 m up the ramp. Calculate the change in kinetic energy of the box while it is moved up the ramp.
What is the coefficient of kinetic friction between the ground and the crate? Greezy increases his force to 400 N.
Determine the coecient of kinetic friction between the puck and the ice.
A block sits on the floor. (a) What is the magnitude of the frictional force on it from the floor?
Derive the differential equation for the motion of the mass M and determine the resonance frequency.
The system shown in Fig. simulates a vehicle traveling on a. rough road. Let the vehicle velocity be uniform, v = coast, and calculate the response z (t).
A machine of mass M rests on a massless elastic floor, as shown in Fig. If a unit load is applied at midspan, the floor undergoes a deflection xst.
Derive the differential equation of motion for the inverted pendulum of Fig, where A cos cat represents a displacement excitation.
A mass-damper-spring system of the type shown in Fig. has been observed to achieve a peak magnification factor Q = 5.
The foundation of the building in Problem below undergoes the horizontal motion y(t) = yo sin wt. Derive the system response.
What maximum vertical height does the ball reach before rolling back down the ramp? What linear distance does the ball travel along the ramp?
Gear A in Problem below is subjected to the torque MA = Mocoswt. Derive an expression for the angular motion of gear B.
The rotor of a turbine having the form of a disk is mounted at the midspan of a uniform steel shaft, as shown in Fig.
Consider the system of Fig. When the support is fixed, y = 0, and the mass is allowed to vibrate freely, the ratio between two consecutive maximum.
Derive the differential equation of motion of the system, then assume small amplitudes and solve for 0(t).
Design a viscous damper so that at the rotating speed w = 4con the force transmitted to the support does not exceed 250 N.
The cam and follower of Fig. a impart a displacement y(t) in the form of a periodic sawtooth function to the lower end of the system.
Solve the differential equation mx¨(t) + cx·(t) + kx(t) = kf(t) by means of a Fourier analysis, where f(t) is the periodic function shown in Fig.