Mechanics > Kinematics > Motion in 2-D > Circular Motion

DCS# 1D50.45

---

PENNY AND COATHANGER

---

---

APPARATUS

bent coathanger	202-15-C
penny

---

DESCRIPTION

Balance the penny on the end of the coathanger hook and spin the coathanger on your finger in a vertical circle. 

REFERENCE

AJP 40 (5), 776