If there is absolutely no physical attraction between a male and female, then, I would say, it is possible that they can truly share a platonic relationship. But once a man is attracted to a woman; or the woman is attracted to the man; or both are attracted to each other—the relationship cannot and will never be platonic.
If there is absolutely no physical attraction between a male and female, then, I would say, it is possible that they can truly share a platonic relationship. But once a man is attracted to a woman; or the woman is attracted to the man; or both are attracted to each other—the relationship cannot and will never be platonic.
You can, however, pretend that it is platonic.