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describe a single pulley system
A pulley system that has multiple pulleys in line with each one having its output drive the next will increase the force. This would be called a tackle pulley.
as new as the car is it would have a belt tensioner pulley...its a pulley with a spring loaded pulley to self tightn the belt...if u take the right size of socket for at the pulley and turn the pulley down...but not by unscewing the bolt at the pulley...by using the bolt as something the to hang on to the pulley so when u turn it the pulley will retract and losen the belt to take off...very easy but takes some muscle....if it doesnt have a belt tensioner pulley it would be the alternater that will have to be moved so the belt losens....if that's the case have when u put the new belt on you have to make sure the belt is tight enogh or to tight....the belt will have play in it but with strong applided movement...also the serpentine belt doesnt have to be timed
Efficiency is the proportion of energy usefully used. Using a pulley system does not use less energy it just changes the ammount of force. Pulleys do have a small ammount of friction so having just one pulley would be more efficient. (but not much more)
What would happen if the nervous system was not functioning properly? How would this affect the muscular system?
if there were no solar system then there would be no life?
A Conveyor belt's head pulley is also known as the drive pulley, its on this end of a conveyor system where the motorized pulley is installed. At this point the conveyed material is discharged "wherever" and the belt wraps around and begins its return cycle. The head pulley is at the discharge so that the conveyed material is "pulled" through the system vs. having the tail pulley motorized which would be forcing the system to "push" the belt containing the conveyed material.
Chains mesh with sprockets without slipping. A pulley system would need to use higher tension(and suffer higher losses) to avoid slipping.
so it can survive
You would die
You would die.
a lot