Sec. 5-4 The dynamics of uniform circular motion ) fe conical pendulum锥摆) Fig 5-18 R m mg Fig 5-18 shows a conical pendulum, as the mass m is revolving in a horizontal circle with constant speed v, the string L sweeps over the surface of an magInary coneSec. 5-4 The dynamics of uniform circular motion ➢1) The conical pendulum(锥摆) mg m T  L m → v R  Fig 5-18 Fig 5-18 shows a conical pendulum, as the mass m is revolving in a horizontal circle with constant speed v, the string L sweeps over the surface of an imaginary cone