ElI5: how do the tank barriers (looks like large jacks) stop tanks? I see two people can carry them, can’t the tank push it out if the way?

Question

ElI5: how do the tank barriers (looks like large jacks) stop tanks? I see two people can carry them, can’t the tank push it out if the way?

In: 174

Answer 1

In the WW2 Dday invasion Allied tanks were initially having issues moving around due to the vast presence of hedgerows ( long thick bushes) . They had to put ‘cowcatchers’ (akin to those on the front of trains) on the nose of the tanks to overcome them.