An effort of 200N is required just to move a certain body up an inclined plane of angle 15, the force acting parallel to the plane. If the angle of inclination of the plane is made 20, the effort required again applied parallel to the plane is found to be 230N. Find the weight and coefficient of friction?
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The bar of prob. 5/82 is repeated here. the ends of the 0.4-m bar remain in contact with their re- spective support surfaces. end b has a velocity of 0.5 m/s and an acceleration of 0.3 m/s2 in the di- rections shown. determine the angular accelera- tion of the bar and the acceleration of end a.
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6–43 a food department is kept at 2128c by a refrigerator in an environment at 308c. the total heat gain to the food department is estimated to be 3300 kj/h and the heat rejection in the condenser is 4800 kj/h. determine the power input to the compressor, in kw and the cop of the refrigerator.
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An effort of 200N is required just to move a certain body up an inclined plane of angle 15, the forc...
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