un bloque de pierda de 1960 n descanza sobre el pioso de madera,¿que fuerza horizontal (fr) se requiere para moverlo, si se concidera un coeficiente de ?razonamiento de estatico us=0.4

Looking at this barometer, is the air pressure high or low? what type of weather would you expect? high, bad low, bad high, good low, good

14. a body is projected with velocity vi from a.at the same time another body is projectedvertically upwards from point b withvelocity v2 lies vertically below the highestpoint. both the bodies collide thenv2÷v1is

An object in mechanical equilibrium is an object