A 050-Kg Mass Attached to the End of a String Swings

question 37

Multiple Choice

A 0.50-kg mass attached to the end of a string swings in a vertical circle (radius = 2.0 m) . When the mass is at the lowest point on the circle, the speed of the mass is 12 m/s. What is the magnitude of the force of the string on the mass at this position?

• A) 31 N
• B) 36 N
• C) 41 N
• D) 46 N
• E) 23 N