How to get impact force of Rigidbody2Ds?

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:bust_in_silhouette: Asked By ggez

There is this post: https://forum.godotengine.org/1160/get-collision-impact-information?show=1160#q1160 but it’s about 4 years old now.

I want to get the impact force of when 2 rigidbodies collide, not the velocity.
Any ideas?