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120-lb cabinet is mounted on casters that can be locked to prevent their rotation. The coefficient of static friction between the floor and each caster is 0.30. Assuming that the casters at both A and B are locked, determine
(a) the force P required to move the cabinet to the right,
(b) the largest allowable value of h if the cabinet is not to tip over.
liquid propane is commonly used as a fuel for heating homes powering vehicles such as forklifts and filling portable
a material is sought for a high speed centrifuge. the objective is to acheive as high an angular velocity w of the
air in a piston-cylinder assembly initially at 290 k and 100 kpa undergoes two internally reversible processes in
The uniform 62-kg pole of 150-mm diameter is hinged at A, and its lower end is immersed in fresh water. Determine the tension T in the vertical cable required to maintain C at a depth of 1 m.
a tensile force of 4200 lbs is applied to a 9 feet long 8515 brass rod. an elongation of 0.36 inch is measured on the
steam is accelerated by a nozzle from a low velocity to a velocity of 280 ms at a rate of 2.5 kgs. if the temperature
Calculate the change in length of the steel and aluminium due to the temperature change alone. Then, assuming that the load P is not applied, and the temperature increases from 60?F to 110?F, calculate the change in length of the steel and aluminium.
Within the boundary layer the x-component of velocity increases from u = 0 at the plate surface (y = 0) to u = U0 at a distance 8 above the surface. If the boundary layer thickness increases with x, show that the vertical velocity v(x, y) is every..
Neglect any friction and determine the torque M on the worm shaft required to generate a compressive force C in the press for the position
What is the frequency of resonance and what is the vertical dimension of the van interior - Your graph should include time and sound pressure axes with scales to show the ranges for the signal you have sketched.
a rigid insulated tank that is initially evacuated is connected through a valve to a supply line that carries helium at
Parabolic copper fins that are 2 mm thick at the base and 15 mm long are installed on the outside of a 5 mm thick AISI 304 wall. The fins are placed 4 mm apart on-center. The fins are exposed to a fluid 600 C and with a heat transfer coefficient of 3..
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