Question

Which factors can affect the amount of friction acting on an object on a solid surface

Answer 1

there are two factors. one is the roughness of a surface and other is the force between both surfaces

Step-by-step explanation:

___________

Answer 2

B: the type of surface and the weight of the object

Step-by-step explanation:

i believe it's B on edge! hope this helps!!~ （⌒▽⌒ゞ