-- To increase the frictional force between the two surfaces, press them together
harder, or rough up the area of contact with sandpaper or dirt.
-- To decrease the frictional force between two surfaces, decrease the force
with which they press together, or smooth (polish) the area where their surfaces
contact, or make the area <em>seem</em> smoother by lubricating it with grease, oil, air,
or smooth leaves.
In order to help the student expand his/her
knowledge I will help answer the question. This in hope that the student will
get a piece of knowledge that will help him/her through his/her homework or
future tests.
<span>
Toilet
flushing is the largest United
States domestic use of water. Just think about it we all use it and more than
we take showers. One would thing that showering is the largest domestic use but
it’s not. </span>
<span>
I hope
it helps, Regards.</span>
<span> </span>
Answer:
The International Astronomical Union (IAU) downgraded the status of Pluto to that of a dwarf planet because it did not meet the three criteria the IAU uses to define a full-sized planet. Essentially Pluto meets all the criteria except one—it “has not cleared its neighboring region of other objects.”
Answer:
Density ,gravity
Explanation:
Gravity separates the layered gases in the thermos sphere by their density
