What is the maximum velocity at which a 60-watt motor can lift an 8.5-kg mass upward? (A) 0.72 m/s (B) 7.0 m/s (C) 18.2 m/s (D) 70 m/s

The a992 steel rod bc has a diameter of 50 mm and is used as a strut to support the beam. determine the maximum intensity w of the uniform distributed load that can be applied to the beam without risk of causing the strut to buckle. take f.s. = 2 against bucklin