when two objects slide over each other, there is friction between them, the more friction, the harder it is to move one of the objects over the other.
Sliding is made difficult by friction because rough surfaces "grab" whatever is attempting to slide. Sledding is easy because snow eases friction.
Friction is the force that can make sliding difficult, as it opposes the motion of two surfaces sliding against each other.
Atrium
Installing a sliding shower can be incredibly difficult. You have do some serious changes to your current bathroom to accomidate this system. A prosessional installer can do this for you at a decent price.
friction
There are a few you could choose from, but one seems to stand out among the rest. Alenco makes a quality repair kit for all your sliding screen door needs.
It is difficult to move a cycle with the brakes on because the brakes create friction between the brake pads and the wheel, which resists the motion of the wheel. This friction reduces the efficiency of pedaling and makes it harder to propel the bike forward.
Mutilation Makes Identification Difficult was created in 1995.
Reliabilt sliding doors are manufactured by Reliabilt, which is a brand offered by Lowe's Home Improvement stores. They offer a variety of door options including sliding doors for residential and commercial use.
Sliding them together makes a Big Triangle, flipping them makes a Diamond.
Resistance in the circuit makes it difficult for current to pass through.
It may seem harder to start sliding a couch because of the friction between the couch and the floor. The weight and size of the couch can make it more difficult to overcome this friction and get it moving.