Uniform circular motion - David Liaodavidliao.com/handouts/Physics/11.1 AP Physics 1/4.1 UCM...

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Uniform circular motion DAVID LIAO. COM Kinematics radius =2 circumference period (lap time) = 1 frequency []= 1 s = Hz =2 angular frequency TAN = = 2 tangential speed IN = TAN 2 inward (centripetal) acceleration Dynamics IN = Ξ£ IN I net of inward (centripetal) force components

Transcript of Uniform circular motion - David Liaodavidliao.com/handouts/Physics/11.1 AP Physics 1/4.1 UCM...

Uniform circular motion

DAVID LIAO.COM

Kinematics

π‘Ÿπ‘Ÿ radius

𝑐𝑐 = 2πœ‹πœ‹π‘Ÿπ‘Ÿ circumference

𝑇𝑇 period (lap time)

𝑓𝑓 =1𝑇𝑇

frequency [𝑓𝑓] = 1s

= Hz

πœ”πœ” = 2πœ‹πœ‹π‘“π‘“ angular frequency

𝑣𝑣TAN =𝑐𝑐𝑇𝑇

=2πœ‹πœ‹π‘Ÿπ‘Ÿπ‘‡π‘‡

tangential speed

π‘Žπ‘ŽIN =𝑣𝑣TAN2

π‘Ÿπ‘Ÿ

inward (centripetal) acceleration

Dynamics

π‘Žπ‘ŽIN =Σ𝐹𝐹INπ‘šπ‘šI

net of inward (centripetal) force components