Initial Post Instructions and Requirements:

Instructor’s choice (need to answer to both parts for full credit):

1.Give an example from real life where is applied Pascal’s Principle and one for Bernoulli’s Principle.

2. Why a person can lie down (carefully) on a bed of nails, but cannot step (without being injured) on a nail? Approximately how many times higher is the pressure in the second case (show calculation).

3. Include at least one graphic, video, or image that visually adds to some aspect of your post – as they say, pictures are worth 1000 words!