It is always good to have an understanding of the magnitude of physical units. I

Question

It is always good to have an understanding of the magnitude of physical units. In physics, pressure is typically measured in pascals (Pa). Categorize each object according to the pressure it exerts when placed on a flat surface. Assume that the bottom of each object is flat. a single penny,lying flat; a standard sheet of printer paper; a vertical stack of 100 pennies; a penny-shaped piece of printer paper; a wooden pencil lying on its side; a wooden pencil with a 2-mm-wide lead, balanced on its point

0.01 Pa

1 Pa

100 Pa

10,000 Pa

Explanation / Answer

Let's write pressure due to these object in increasing order

a penny-shaped piece of printer paper, a standard sheet of printer paper; a single penny, a wooden pencil lying on its side, a wooden pencil with a 2-mm-wide lead, balanced on its point,  a vertical stack of 100 pennies,

0.01 Pa A penny-shaped piece of printer paper

1 Pa A standard sheet of printer paper, A wooden pencil lying on its side

100 Pa A single penny,

10,000 Pa A wooden pencil with a 2-mm-wide lead balanced on its point,  a vertical stack of 100 pennies,

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