問題詳情

36. A uniform beam of weight 300 N and length 3.0 m is suspended horizontally. On the left it is hinged to a wall; on the right it issupported by a cable bolted to the wall at distance D above the beam. The tension on the cable is 250 N. What value of Dcorresponds to that tension?


(A) 1.25 m
(B) 1.50 m
(C) 1.75 m
(D) 2.00 m
(E) 2.25 m

參考答案

答案：E
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)