Physics me taagat (force) uu chij hae jon ki ek kharaa nai to ghasate rahe chij ke raftaar badle hae. Newton ke second law of motion ke anusaar :

F = ma

jahaan pe F taagat hae,
m chij ke wajan hae,
aur a chij ke raftaar ke badlao hae.

Jab a standard gravity g, rahe tab duusra formula bane hae:

W = mg

jisme W chij ke wajan pe force,
m chij ke wajan,
aur g gravity ke acceleration jon ki lagbhag 9.8m/s^2 hae.


kabata el kelte ul tuerte hsto gerta koitzík