Question on: JAMB Physics - 2019
The limiting frictional force between two surfaces depends on
I. the normal reaction between the surfaces
II. the area of surface in contact
III. the relative velocity between the surfaces
IV. the nature of the surfaces
A
I only
B
II only
C
III only
D
I & IV only
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Correct Option: D
friction depends on the normal reaction between the surfaces and the nature of the surfaces
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