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Rod OA rotates counterclockwise with a constant angular velocity of u . = 5 rad> s. The double collar B is pin-connected together such that one collar slides over the rotating rod and the other slides over the horizontal curved rod, of which the shape is described by the equation r = 1.5( 2 - cos u) ft. If both collars weigh 0.75 lb, determine the normal force which the curved rod exerts on one collar at the instant u = 120 . Neglect friction. N=2.77 lbs. Show steps.
A horizontal cantilever of length L supports a load W, uniformly distributed along its length. the cantilever is proped to the level of the fixed end at a distance 3/4 L from that end. Determine the load on the prop.
helium gas in an ideal otto cycle is compressed from 12degc and 2 l to 0.25 l and its temperature increases by an
in a railroad switchyard a 50 ton freight car is sent at 7.4 mih toward a 27 ton car that is moving in the same
The compression ratio of an air-standard Otto cycle is 9.5. Prior to the isentropic compression process, the air is at 100 kPa, 17 C, and 600 cm2
The 10-kg block rests on the platform for which = 0.4. If at the instant shown link AB has an angular velocity = 2 rad/s, determine the greatest angular acceleration of the link so that the block doesn't slip.
Evaluate thermal efficiency of the cycle
The compression strength of Kevlar 49 fiber is about one-eight of its tensile stress. Estimate the smallest diameter of a rod on which 12 um diameter Kevlar fiber can be wound without causing kinks on its compression side.
For the process where q= 62.5 kj/kg and wkcs= 60 kj/kg determine the energy change if the system mass is 2 kg.
20 kg of water at 200 kpa with a quality 25 is heated under a constant volume process until its pressure reaches 400
Rod AB is bent into shape of a circular arc adn is lodged between two pegs D adn E. It supports a load P at end B. Neglecting friction and the weight of the rod, determine the distance c corresponding to equilibrium when a = 1 in and R = 5 in.
specifications for steel plate to be used in the construction of a certain bridge call for the minimum yield to be
Friction between the piston and the cylinder wall can be neglected. For the air, determine the initial and final pressures, in kPa, and the work, in kJ.
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