Question

A rope of negligible mass pulls a 38-kg block block vertically upward with a constant acceleration of 6.0 meters per second squared. What is the tension of the rope?

Answer 1

See example 2:
http://www.cliffsnotes.com/study_guide/Dynamics.topicArticleId-10453,articleId-10417.html

Answer 2

M*(g + a) = 38*(9.8 + 6.0)
= 600.4 Netwons