Simple harmonic motion
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Transcript of Simple harmonic motion
Simple Harmonic Motion
Displacement of Simple Harmonic Motion: x(t)=A cos(ωt+ϕ)
Angular Frequency: ω=2πf = 2𝜋
𝑇
Velocity of Simple Harmonic Motion: v(t)= -(ωA) sin(ωt+ϕ)
=ωA cos(ωt+ϕ+π/2)
vmax = ωA
Acceleration of Simple Harmonic Motion: a(t)= -ω2 (A cos(ωt+ϕ))
=-ω2 x(t)
Restoring Force : F(t)=ma(t)=-mω2 x(t)
Mass-Spring System : Fspring =-kx
Fnet =Fspring=-kx =max
ω2 =𝑘
𝑚
ω =√𝑘
𝑚
T= 2π√𝑘
𝑚
f =1
2π√𝑘
𝑚