Hit

Hit= (1) cause to move by striking: ‘Hit a ball’ (2) come into sudden contact with: ‘The car hit a tree.’(3) deal a blow to, either with the hand or with an instrument: ‘He hit her hard in the face.’

Knock over = hit something by accident so that it falls from a standing position: ‘The cat jumped up onto the table and knocked over a full glass of red wine.’