Engineering Board Exam Reviewer · Physics · hard
Two masses of 5 kg and 3 kg hang on either side of a frictionless, massless pulley. What is the tension in the string? (g = 9.81 m/s2)
- 36.79 N
- 49.05 N
- 29.43 N
- 39.24 N
Answer
A. 36.79 N
Solution
T = 2m1m2g/(m1 + m2) = 2(5)(3)(9.81)/8 = 36.79 N.
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