When you start sliding the couch, you have to overcome the static friction of the carpeted floor, which is usually very big, especially due to the texture of the carpet. However, as long as you get it moving, you only have to apply the force to overcome the kinetic friction, which is smaller than the static friction.
Answer:
convert 1 milligram to 1 gram:
Explanation:
1 milligram is 0.001 gram.
so... 2 milligram is 0.002
3 milligrams is 0.003
and so on.
Answer:
the quantity of matter contained in a body is called mass .si unit of mass is kilogram.weight is effected by gravity but mass is not effected by gravity.
