Why is the friction force considered to be a contact force?
a.) friction affects only...
Biology, 01.10.2019 16:30 xXFLUFFYXx
Why is the friction force considered to be a contact force?
a.) friction affects only solid objects.
b.) friction is produced when objects slide past one another.
c.) friction always acts in the same direction.
d.) friction acts in a direction opposite to the direction of an object's motion.
Answers: 2
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Which of the following structures is a double layer of phospholipids with proteins? a: cytoplasm b: cell membrane c: ribosome d: cell wall
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