This is the 11633rd most frequent Spanish word.
forzada
Forced; strained.
The word "forzada" is used to describe something that does not appear genuine, in this case, the laughter.
La risa de la actriz parecía forzada.
The actress's laughter seemed forced.
"Forzada" here indicates that the door suffered an action of being forced open, emphasizing the evidence of tampering.
La puerta estaba forzada, como si alguien hubiera intentado entrar.
The door was forced, as if someone had tried to enter.
In this context, "forzada" describes a victory that may have been achieved under extraordinary or pressing circumstances.