'How to fix the ground in unity 2d

Um I'm making a game in unity I got a problem I made a picture as the ground but it doesn't work I put if to default and put what is ground to default to I use rigid body as physics and I already put a collision box and collision circle



Solution 1:[1]

Your question is not a clear question But be sure to add the rigidbody to the ground and the box colliser for the player and the ground

You can review the images in this question showing how you can add the rigidbody and the box collider

Solution 2:[2]

Adding on to the responder above me, even if you did add the colliders, you may not have made the right size.

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Source: Stack Overflow

Solution Source
Solution 1 Lelouch kun
Solution 2 TheAwesomeAtom