The limiting frictional force between two surfa... - JAMB Physics 2019 Question
The limiting frictional force between two surface 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 surface
A
I only
B
I & IV only
C
II only
D
III only
correct option: b
The factors that affect the friction between two surfaces are the weight of the object and the coefficient of friction of the surface. I
The interpretation of this shows that solid friction is affected by:
- The surface on which the object is moved or the nature of the surface. i.e., rough surface, smooth surface, liquids etc.
- The weight of the object or the amount of force on the surface by the object.
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