I am doing a grass (field of wheat) and I added a wind. My windmill is affected by the wind but wheats are not!. How can I fix this? I am sharing my wind and particle system options. I want my all objects to be affected by the wind. These are screenshots of the particle system settings: [![enter image description here][1]][1] [![enter image description here][2]][2] [![enter image description here][3]][3] and this is my wind options: [![enter image description here][4]][4] [1]: https://i.sstatic.net/XSwzw.jpg [2]: https://i.sstatic.net/zATfG.png [3]: https://i.sstatic.net/114cp.png [4]: https://i.sstatic.net/dwxTe.png where i am doing wrong?