Sagot :
Answer:
Friction is caused due to the irregularities between the two surfaces in contact. More the irregularities larger the roughness and more the friction between the two surface.Hence the frictional force is more between rough surfaces.
Answer:
Friction is caused due to the irregularities between the two surfaces in contact. More the irregularities larger the roughness and more the friction between the two surface.Hence the frictional force is more between rough surfaces.