FIGURE 8-2 A mass is attached to one end of a string. The other end of the string is attached to a rigid support. The mass is released at A and swings in a vertical arc to points B, C, and D.
-Refer to Fig. 8-2. At what point does the mass have its highest speed?

Question

FIGURE 8-2  A mass is attached to one end of a string. The other end of the string is attached to a rigid support. The mass is released at A and swings in a vertical arc to points B, C, and D.
-Refer to Fig. 8-2. At what point does the mass have its highest speed?

Quizplus · Accepted Answer

At point C, the mass has the highest speed because it is at the bottom of the circular path and has the greatest kinetic energy.

FIGURE 8-2 a Mass Is Attached to One End