In a Museum Exhibit of a Simple Pendulum,a Very Small

Multiple Choice

In a museum exhibit of a simple pendulum,a very small but dense 6.0-kg ball swings from a very light 2.5-m wire.The ball is released from rest when the pendulum wire makes a 65° angle with the vertical,and it swings in a circular arc with no appreciable friction or air resistance.What is the tension in the wire just as the ball swings through its lowest position?

A) 11 N
B) 59 N
C) 68 N
D) 130 N
E) 0 N