Reasonable force – this term applies in the area of Criminal Law in some jurisdictions. There it details the degree of physical force, used by a policeman, by a security guard or by a citizen, for arresting a criminal. And in the usual scenario the needed force for not allowing a criminal to escape the crime scene. Briefly, the reasonable force should not harm a person. But only to allow the arrest or to avoid the escape of the crime scene. Otherwise, the arrested person will have a legal basis to claim over-applied force against them. So respectively to seek physical and non-material damages/compensation.