A 20-G Bead Is Attached to a Light 120-Cm-Long String

Multiple Choice

A 20-g bead is attached to a light 120-cm-long string as shown in the figure.This bead moves in a horizontal circle with a constant speed of 1.5 m/s.What is the tension force that the string exerts on the bead if the angle α is measured to be 25°?

A) 0.089 N
B) 0.041 N
C) 0.20 N
D) 0.22 N
E) 0.46 N