Unfortunately, the plugin doesn't seem to be compatible for SketchUp 2026. Every time I load it, I get these errors:

Extension Errors Report
SketchUp: 26.1.185
OS: Windows 10
Ruby: 3.2.2

Extension: SketchyPhysics (3.5.6)
Error: Fiddle::DLError (Exec format error)
C:/Program Files/SketchUp/SketchUp 2026/SketchUp/Tools/RubyStdLib/fiddle.rb:62:in initialize' C:/Program Files/SketchUp/SketchUp 2026/SketchUp/Tools/RubyStdLib/fiddle.rb:62:in new'
C:/Program Files/SketchUp/SketchUp 2026/SketchUp/Tools/RubyStdLib/fiddle.rb:62:in dlopen' C:/Program Files/SketchUp/SketchUp 2026/SketchUp/Tools/RubyStdLib/fiddle/import.rb:86:in block in dlload'
C:/Program Files/SketchUp/SketchUp 2026/SketchUp/Tools/RubyStdLib/fiddle/import.rb:77:in collect' C:/Program Files/SketchUp/SketchUp 2026/SketchUp/Tools/RubyStdLib/fiddle/import.rb:77:in dlload'
AppData/Roaming/SketchUp/SketchUp 2026/SketchUp/Plugins/SketchyPhysics3/newton.rbin <module:NewtonServer>' AppData/Roaming/SketchUp/SketchUp 2026/SketchUp/Plugins/SketchyPhysics3/newton.rb:94:in <top (required)>'
<internal:C:/Program Files/SketchUp/SketchUp 2026/SketchUp/Tools/RubyStdLib/rubygems/core_ext/kernel_require.rb>:85:in require' <internal:C:/Program Files/SketchUp/SketchUp 2026/SketchUp/Tools/RubyStdLib/rubygems/core_ext/kernel_require.rb>:85:in require'
AppData/Roaming/SketchUp/SketchUp 2026/SketchUp/Plugins/SketchyPhysics3/main.rb:25:in <top (required)>' C:/Program Files/SketchUp/SketchUp 2026/SketchUp/Tools/extensions.rb:197:in require'
C:/Program Files/SketchUp/SketchUp 2026/SketchUp/Tools/extensions.rb:197:in load' AppData/Roaming/SketchUp/SketchUp 2026/SketchUp/Plugins/SketchyPhysics.rb:433:in register_extension'
AppData/Roaming/SketchUp/SketchUp 2026/SketchUp/Plugins/SketchyPhysics.rb:433:in <module:MSketchyPhysics3>' AppData/Roaming/SketchUp/SketchUp 2026/SketchUp/Plugins/SketchyPhysics.rb:415:in <top (required)>'