Physics wala "kaam" aapke kaam se alag hai! Energy kya hai, wo kabhi khatm kyun nahi hoti, aur machines humari zindagi aasaan kaise banati hain - sab yahan seekho.
6 detailed lessons, Work Calculator, Energy Conservation sim, Bijli-ka-Bill (Power) calculator, aur ek rich 3D Simple Machines Lab - sab easy Roman Hindi mein.
Physics mein "kaam" kab hota hai, W = F × s, aur positive/negative/zero work ka poora farak.
Chalti cheezon ki energy, KE = ½mv², uski derivation aur bahut saare numericals.
Force, distance aur angle set karo aur dekho kitna work hua - live diagram aur formula ke saath!
Oonchai ki energy PE = mgh, elastic PE (spring/dhanush), aur rozmarra ke examples.
Energy na banti hai na nasht hoti - sirf roop badalti hai. KE↔PE, pendulum aur free fall.
Ball ko track par chhodo ya pendulum jhulao - KE aur PE ko live badalte hue dekho (total constant)!
Power = kaam / samay, watt aur horsepower, aur kWh (units) se bijli ka bill kaise banta hai.
Ghar ke appliances chuno, ghante set karo aur dekho mahine ka bijli bill kitna aayega (kWh)!
Lever, pulley, inclined plane aur wheel-axle - mechanical advantage se kaam aasaan kaise hota hai.
Rich 3D lab - lever, pulley aur inclined plane ko ghumakar dekho; effort aur load badalkar mechanical advantage samjho!