APPARATUS: Photogate timer Gyroscope Transfer caliper, large Balance, double-pan String electronic Vernier caliper Torque mass, Torque mass, Masking tape INTRODUCTION: A spinning object such as the rotor of a gyroscope possesses angular momentum (L). Precession occurs when a torque is applied, changing the angular momentum. SPIN TORQUE y  r F = × Spin L s r r axis x F z s = spin angular velocity L = angular momentum PRECESSION ∆L  y = –– ∆t
APPARATUS: Photogate timer Gyroscope Transfer caliper, large Balance, double-pan String electronic Vernier caliper Torque mass, Torque mass, Masking tape INTRODUCTION: A spinning object such as the rotor of a gyroscope possesses angular momentum (L). Precession occurs when a torque is applied, changing the angular momentum. SPIN TORQUE y  = r × F Spin axis L s r r x z F s = spin angular velocity L = angular momentum PRECESSION ∆L y  = –– ∆t