Two rods are connected by a collar at

b. a couple ma with a magnitude of 15 n∙m is applied to rod ab. knowing that the coefficient of static friction between the collar and the rod is 0.30, determine the largest couple mc for which equilibrium will be maintained.

Two students, each riding bicycles, start from the same apartment building and ride to the same building on campus, but each takes a different route. the first student rides 1100 m due east and then turns due north and travels another 1430 m before arriving at the destination. the second student heads due north for 1930 m and then turns and heads directly toward the destination.at the turning point, how far is the second student from the destination?