My Movement script

PlayerMovement.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class PlayerMovement : MonoBehaviour
{
    [SerializeField]
    private float speed = 5;

    private Rigidbody2D rbody2D;
    // Start is called before the first frame update
    void Start()
    {
        rbody2D = GetComponent<Rigidbody2D>();
    }

    // Update happens regardless of framerate
    private void FixedUpdate()
    {
        float moveHorizontal = Input.GetAxis("Horizontal"); // a number between -1 and 1
        float moveVertical = Input.GetAxis("Vertical"); // a number between -1 and 1

        Vector2 movement = new Vector2(moveHorizontal, moveVertical);

        //rbody2D.velocity = movement * speed;
        rbody2D.AddForce(movement * speed);
    }
}