Physics > 2007 > 4
WASSCE
Which of the following statements about solid friction are correct? It
I. is a force
II. occurs between the surfaces of two bodies in contact
III. depends on the area of contact
I. is a force
II. occurs between the surfaces of two bodies in contact
III. depends on the area of contact
A.
I and II only
B.
I and III only
C.
II and III only
D.
I, II and III
Answer: A
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