Can a truck with a total weight of 5 times 10 to the fourth power Newton pass the bridge with a load limit of 4 tons? Two methods are used to calculate

Can a truck with a total weight of 5 times 10 to the fourth power Newton pass the bridge with a load limit of 4 tons? Two methods are used to calculate

From g = mg
m=G:g=50000N:10N/Kg=5000Kg
4t=4000kg〈5000kg
Therefore, it cannot be passed