Anyone know a simple way to describe friction not the definition online, just what you think Subject: Science but i did chemistry cuz therewas no scienece

the resistance that one surface or object encounters when moving over another.

Explanation: :D

Answer/Explanation:

Friction is tension between to objects or people that are moving in opposing directions or with opposing ideas. Friction decreases motion overtime and it also creates thermal energy from kinetic energy. In both relationships and objects, the friction wears down both sides depending on the roughness, strengths, and characteristic of each side.

  the   balanced   equation   for   reaction of   ca metal   with   o2 to   produce   cao   is as below

2 ca+ o2→ 2 cao2

  explanation

the reaction is   balanced     since the   number of atoms   in reactant side is   equal to   number of atoms   in   product side.   for   example   they   are 2   atom of   ca in   reactant   side   and   2   atoms of ca   in   the product side.

  the   process   is a   meet the   requirement   of   redox   reaction because :     calcium   is   oxidized   from   oxidation state 0   to 2+   while   oxygen   is reduced from   oxidation   state   0   to 2-

5.6⋅10−^19  j

do you need the explaination?