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Assume member BD acts as an axially loaded pin-end compression strut. Compute the reactions at points A and D.
The baseplates at the bottoms of the columns are connected to the foundations at points A and D by bolts and may be assumed to act as pin supports.
The truss in Figure is composed of pinjointed members that carry only axial load. Determine the forces in members.
Determine the magnitude and direction of the boat's velocity with respect to an observer on the riverbank.
A one-lane bridge consists of a 10-in.-thick, 16-ft-wide reinforced concrete slab supported on two steel girders spaced 10 ft apart.
Consider the five-story building shown in Figure. The average weights of the floor and roof are 90 lb/ft2and 70 lb/ft2, respectively.
Consider the floor plan shown in Figure. Compute the tributary areas for (a) floor beam B1, (b) floor beam B2, (c) girder G1, (d) girder G2.
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?