How to stop a character in Unity2d?

Question

C++ / C#

When my character jumps forward, he keeps moving forward! How to make it so that after the jump the character remains on the point on which he landed?

private void Update()
    {
        if (isGrounded == true && Input.GetKeyUp(KeyCode.Space))
        {
            BallJump();
        }
     }
void BallJump()  // прыжок вперед
    {
        Vector2 jjump = new Vector2(rb.velocity.x + speed, rb.velocity.y + jumpForce);
        rb.AddForce(jjump, ForceMode2D.Impulse);
        
    }

Answer 1

character velocity to 0 translate
rb.velocity = Vector3.zero, like this
or rb.velocity = new Vector3.zero