nother by force, or exertion of force directed toward another under such circumstances as to create a reasonable fear of imminent peril. See Lay 1. Kremer 411 So.2d 1347 (Fla. 1st DCA 1982). It must be premised upon an affirmative act - a threat to use force, or the actual exertion of force. See 3A Fla.Jur.2d Assaul