M Prep | MCAT 2015 Question of the Day - Prep, Practice Questions, and More!

Q:

A string is fixed around a frictionless pulley which is fixed to the ceiling. On one end of the rope, a mass of 13 g is placed; on the other end of the rope, sufficient weight is added such that there is no motion of the string through the pulley. Assuming a radius of 1 m for the pulley, which of the following is the torque on the pulley?

A

0 N*m

B

0.013 N*m

C

13 N*m

D

26 N*m