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Z oporami:
Q = 0,1 N
Fop = 0,02 N
Fw = Q - Fop = 0,08 N
Q = m*g
m = Q/g
m = 0,1/10 = 0,01 kg
a = Fw / m
a = 0,08 / 0,01 = 8 m/s^2