For the Q1a answer, md^2 x/dt^2 = -kx/m, wo^2 = k/m
For the Q1b1
By acceleration, dx^2/dt^2 = -w1^2(x)
By acceleration, dFapp^2/dt^2 = - w1^2(Fapp)
Therefore, md^2 x/dt^2 = -w1^2(x) + w1^2(Fapp)
For the Q1a answer, md^2 x/dt^2 = wo^2(x) = k/m
md^2 x/dt^2 = -w1^2(x) - w1^2(Fapp) = - wo^2(x)
w1^2(Fapp) = wo^2(x) -w1^2(x)
w1^2(Fapp) /[wo^2 -w1^2] = (x)
md^2 x/dt^2 = -kw1^2(x) + w1^2(Fapp)
= wo^2(x) (m) [xmax cos w1 t] + F1 cos w1t
I don't know how to do...
For the Q1b2
Like as something wrong for Q1b1, so i couldn't show that!
Please advise me where is wrong! Thanks a lot!
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