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m= 30 t = 30000kg
F1= 30 kN
Fc= 4* 30kN = 120 kN= 120000N
Szukane:
a=?
a= F/m [N / kg = kg * m/s² *kg = m/s²]
a= 120000 /30000
a= 4 m/s²
Odpowiedź: Przyspieszenie wynosi 4 m/s²