See the jackscrew similar to one found in Ethiopian Airlines wreck

H8-3: The jackscrew shown below is used to raise a weight of 80... | Filo

(a) Determine the load that can be raised with a single-threaded jackscrew having 100 threads per meter and a mean diameter of 76 mm when a force of 890 N is exerted on a bar 760 mm long. Use μ= 0.05 . (b) If the mean diameter of the bearing surface between the cap and the screw is 89 mm and the coefficient of friction between these surfaces is 0.12 , what load can be raised by the 890-N force? | Numerade

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SOLVED:The handle of a jackscrew is 60.0  cm long. (a) If the mechanical advantage is 78.0 , what is the pitch? (b) How much weight can be raised by applying a force of 43 0  N to the jackscrew handle?