AnswersPhysical SciencePractice TestQuestion 2
2
practice testMultiple Choice

Practice Test

Question 2 • Physical Science

Which best describes friction?

Answer
A
a constant force that acts on objects that rub together
B
a downward pull when objects fall through the air
C
a downward pull on objects that roll on bumpy surfaces
D
a constant force that pulls two objects toward each other
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