content: import 'package:flutter/material.dart';
  
  void main() => runApp(const MyApp());
  
  class MyApp extends StatelessWidget {
    const MyApp({super.key});
  
    @override
    Widget build(BuildContext context) {
      return const MaterialApp(home: PhysicsBasedScrollExample());
    }
  }
  
  class PhysicsBasedScrollExample extends StatefulWidget {
    const PhysicsBasedScrollExample({super.key});
  
    @override
    State<PhysicsBasedScrollExample> createState() => _PhysicsBasedScrollExampleState();
  }
  
  class _PhysicsBasedScrollExampleState extends State<PhysicsBasedScrollExample> with SingleTickerProviderStateMixin {
    final ScrollController _scrollController = ScrollController();
    late AnimationController _animationController;
    late Animation<double> _animation;
  
    @override
    void initState() {
      super.initState();
      _animationController = AnimationController(vsync: this, duration: const Duration(milliseconds: 1000));
      _animation = CurvedAnimation(parent: _animationController, curve: Curves.elasticOut);
    }
  
    void animateScroll() {
      _animationController.reset();
      _animationController.forward();
      _scrollController.animateTo(
        300, // Target position
        duration: const Duration(seconds: 1),
        curve: Curves.elasticOut,
      );
    }
  
    @override
    void dispose() {
      _scrollController.dispose();
      _animationController.dispose();
      super.dispose();
    }
  
    @override
    Widget build(BuildContext context) {
      return Scaffold(
        appBar: AppBar(title: const Text('Physics-Based Scroll Animation')),
        body: ListView.builder(
          controller: _scrollController,
          itemCount: 50,
          itemBuilder: (context, index) => ListTile(title: Text('Item $index')),
        ),
        floatingActionButton: FloatingActionButton(
          onPressed: animateScroll,
          child: const Icon(Icons.play_arrow),
        ),
      );
    }
  }
  