Answer:
Everything would slide to the lowest point if there was no friction. It would be impossible to scale anything. We will be unable to write without friction. No riding a bike, cycle, or even a car or bus without friction.
Explanation:
Friction is the force that resists motion when the surface of one object comes in contact with the surface of another. The mechanical advantage of a machine is reduced by friction, or in other words, the ratio of output to input is reduced because of friction.
