[الفيزولجي]

if you increase the speed of a 0.5 kg ball by 5.0 m/s in 1.0s . what force do you exert on it ?

AND

A 1kg stone rests on the ground . draw a vector diagram and lable all forces that act on the stone.

بلييييييييييييييييييييييز ساعدوني..........................