A 350-G Air Track Cart on a Horizontal Air Track

Multiple Choice

A 350-g air track cart on a horizontal air track is attached to a string that goes over a pulley with a moment of inertia of 6.00 × 10^-6 kg∙m² and a radius of 1.35 cm. The string is pulled vertically downward by a force of 2.50 N. What is the tension in the string between the pulley and the cart?

A) 4.58 N
B) 2.50 N
C) 1.85 N
D) 2.29 N
E) 1.74 N