Sentences

1 - He flipped over a table and took cover behind it.

2 - He knocked over a table and took cover behind it.

3 - He flipped a table on its side and took cover behind it.

4 - He knocked a table on its side and took cover behind it.

- Do I need to explain that the table is flipped/knocked on its side or are #1 and #2 enough?

- Will "knocked" sound like it was an accident?