When you keep raisin in water and the raisin gets puffed.
Movement of salt-water in animal cell across our cell membrane.
Answer:
the unit of work is derived unit because joule is defined the work done by the force aftab 1 newton causing the displacement of one metre something newton metre(n-m) is also used to measuring work.
No friction present means: Ek = Ep
So Ek = mgh = 10 * 9.8 * 2 = 196 J