public class WallBreak : NetworkBehaviour
{
    public float pushForce = 1000f;

    private Vector3 collisionTransform;
    private Rigidbody rb;


    [Server]
    public void PushBlock(Vector3 collisionTrans, Rigidbody _rb)
    {
        rb = _rb;
        collisionTransform = collisionTrans;
        RpcAddClientForce();
    }

    [ClientRpc]
    public void RpcAddClientForce()
    {

        rb.useGravity = true;
       rb.AddRelativeForce((collisionTransform * pushForce)* Time.deltaTime, ForceMode.Impulse);
    }

}

public class IndividualBlock : MonoBehaviour
{
    public Rigidbody rb;
    public WallBreak wallBreak;

    private void Start()
    {
        rb = GetComponent<Rigidbody>();
        wallBreak = GetComponentInParent<WallBreak>();
        rb.useGravity = false;
    }


    private Vector3 collisionTransform;
    public void PushBlock(Transform collisionTrans)
    {
        collisionTransform = collisionTrans.forward;
        wallBreak.PushBlock(collisionTransform, rb);
    }



}