I have a question about compact florescent bulbs. Some of them have a plastic cover shaped like an incandescent bulb. How tough are those covers? How much of a whack would it take to knock it off the base? How much of a blow would it take to break the cover itself?
Odd question. They don't really manufacture light bulbs with rate impact specifications. All I can tell you is take a whack at it and decide for yourself.
However, there is always a question behind a question, why do you ask?