Soal Fisika SMA no. 21 dan no. 22, minta tolong dijawab ya? :)

21][
F = m a
F = Nm a
a = F / Nm

T = (N-2)m a
T = (N-2)m • F/Nm
T = [(N-2)/N] • F ← jwb


22][
I = ½MR²
v = √( (4/3) g h)
ω = v / R

L = I ω
L = I v / R
L = ½MR² • √((4/3 gh) / R
L = MR √(gh/3) ← jwb