1 what asped of movement can mecanism change?
mecanism can change the speed,the direction or the type of movement
3 whot is the made advantage of a simple pulley
it´s changes the direction so is more economic if we went to reduce the effort we use a doble pulley
5 give two examples
bevel gears and worms gears
6 respuesta: the mecanism that change rotary movement into linear movement are cranshaftand rack and pinion
2 draw a belt and indicated diferents parts
3 draw a simple pulley and a doble pulley
7 Draw the brackets. How they work?
Wich mechanism do you use if you wont to reduce the speed of driven wheel