Question

using rubber tyres more friction or less friction

Answer 1

Answer:

For rough surfaces the adhesive contribution to rubber friction will be much smaller because of the small contact area. The actual contact area between a tire and the road surface, for example, is typically only ≈1% of the nominal footprint contact area. Under these conditions the bulk (hysteretic) friction mechanism is believed to prevail.

Explanation:

Lubricants such as castor oil and grease help in reducing the friction and they are used in machines to reduce the wear and tear of the surfaces that are in contact and also makes the working smooth. By making grooves and treading in the objects, the friction between these objects and the surface can be increased.

Answer 2

HERE YOU GO...

Answer:

Friction will be more