Il lavoro compiuto su un oggetto da una forza costante è uguale al prodotto tra il modulo della e
i
il
modulo
dello
della forza
dell'angolo compreso tra la
quella dello spostamento.

Iwill give 30 points to whoever answers ! what is the formula for actual mechanical advantage and ideal mechanical advantage?

Asolid cylinder and a cylindrical shell have the same mass, same radius, and turn on frictionless, horizontal axles. the cylindrical shell has light-weight spokes connecting the shell to the axle. a rope is wrapped around each cylinder and tied to blocks of equal masses that are held the same height above the ground. both blocks are released simultaneously. the ropes do not slip. which block hits the ground first? or is it a tie?

Name two kinds of practical electric pumps.