It's mostly converted to heat.
Some of it can be used for the physical work of wearing down the surfaces causing the friction, depending on the hardness of the surfaces and their friction coefficient.
Yes the only thing a machine changes is force,distance or direction
If you were trying to move a huge block of stone, the forces of friction would be applied against you. To get the stone in motion, you must overcome static friction, the friction force that acts on objects that are not moving and is always working in the direction opposite of your applied force. Then, to keep it in motion, you must overcome sliding friction, which, though it takes effort to keep moving a stone, is substantially less than the effort to get a stone into motion originally.
Friction will work against force
Yes because work=friction ×distance
Friction's direction is always against the direction work is being applied to.
In any type of movement there is friction. This must be accounted for.
Some work input is used to overcome friction.
Some work input is used to overcome friction.
Friction :) it says so in in my science book.
Friction :) it says so in in my science book.
Yes the only thing a machine changes is force,distance or direction
The WORK is the same. Work = force times distance. If the pulley allows you to pull half as hard, you will have to pull over twice the distance (length of rope), making the same total work. (Ignoring friction; you would actually have to do slightly more work to overcome the friction in the pulley.)
If you were trying to move a huge block of stone, the forces of friction would be applied against you. To get the stone in motion, you must overcome static friction, the friction force that acts on objects that are not moving and is always working in the direction opposite of your applied force. Then, to keep it in motion, you must overcome sliding friction, which, though it takes effort to keep moving a stone, is substantially less than the effort to get a stone into motion originally.
Friction will work against force
No, We cannot do work on friction less surface
it is a mystery. i cbf to answer you
work is movement, and all movement causes friction, since there is no such thing as a "perfect" or "100% efficient" tool yet.