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An electric motor of total weight 3330 pounds is mounted on a simply supported beam with an overhang as shown below. The unbalance of the motor is equivalent to 10 lb at an eccentricity of 5.0 inches. The motor runs at a speed of 1000 rpm. Assume that damping is 2% of critical. Neglect the weight of the beam.
Determine the maximum total bending moment (static plus dynamic) of the beam under steady-state conditions.
At what location S will the combined moment of the weights of the man and platform about point B be zero?
determine the final temperature °R, and the final pressure in lbf/in^2. Rair = 53.33 ft·lbf/lb·°R. Assume ideal gas behavior and solve problem using.
Calculate the ultimate tensile strength (engineering) of a material whose strength coefficient is 700 MPa and a tensile test specimen which necks at an engineering tensile strain of 0.35.
Determine the stress in a stay at a given temperature. A steel 'stay' of effective length 5m is fitted in between the walls of a ships refrigerated compartment when the temperature is 18 degrees centigrade.
two particles a and b start from rest at the origin s 0 and move along a straight line such that aa 6t-3fts2 and ab
Water drips at the rate of 5 drops per second from a leaking tap. Determine the vertical distance between two consecutive drops after the lower drop has attained a velocity of 3 m/s.
starting from rest the motorboat travels around the circular pathp 50m at a speed v0.8tms where t is in seconds.
Draw conclusions concerning the process, and relate your interpretation to the possible existence of chance and assignable causes of variation.
Kinetics of Particles : Newton's Second Law, Determine the maximum theoretical speed that may be achieved over a distance of 50 m by a car starting from rest
The link BD is a single solid bar with a width x thickness measuring 1.000 in. x 0.50 in. If the pins at A, B and D have a diameter of 0.375 in, determine the average normal stress in link BD when:(b) Fx = 0 and Fy =4.00 kips.
The process and volume relation is given p=(8-4v)bar for a non flow process ,where V is in cubic meter.If 130kJ of work is supplied to the system,calculate the final pressure and volume of the system.Take the initial volume as 0.5 cubic meter.
If a rod of 1025 steel 0.5 m (19.7 in) long is heated from 20 to 80 deg C (68 to 176 deg F) while its ends are maintained rigid, determine the type and magnitude of stress that develops. Assume that at 20 deg C the rod is stress free.
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