How to move Character with AddForce

Hello Everyone. I wanted to create a physics based movement for my character.

     [Header("Movement")]
     public float playerSpeed;
     public float jumpForce;
 
     [HideInInspector]
     public Rigidbody rb;
 
     Vector3 x, z;
 
     void Start()
     {
         rb = GetComponent<Rigidbody>();
     }
 
     void Update()
     {
         //-----Inputs-----//
         x = transform.right * Input.GetAxisRaw("Horizontal");
         z = transform.forward  * Input.GetAxisRaw("Vertical");
 
         if (Input.GetKeyDown(KeyCode.Space))
             Jump();
     }
 
     void FixedUpdate()
     {
         Movement();
     }
 
     void Movement()
     {
         Vector3 movement = (x + z).normalized * playerSpeed;
         rb.AddForce(movement);
     }
 
     void Jump()
     {
             rb.AddForce(Vector3.up * jumpForce, ForceMode.Impulse);
     }

I know I can use rb.velocity to set velocity but I also want to add force to the player from certain direction when certain key is pressed. The issue with rb.velocity is that when I am adding force with the movement key pressed the force is canceled as velocity is being overwrite.

Thats why I want to add force. If you have other method to solve this problem I will be grateful. Thanks for reading.