There are four support ropes attached to the pulley in the image.
IMA of a pulley= the number of ropes supporting the load. An easier way is to count how many times the rope wraps around the wheel. :)
Take the weight of the object then divide by however many visible ropes.(if the force is pulling down)
by seeing how many ropes the pulley has... that is close to the mechannical advantage...or it is it! its a cool trick once you learn it! My science teacher just had us do a project on this!
The power steering pulley requires a special puller to remove and install the pulley. Many auto parts stores will sell or rent you the proper tool. Any attempt to remove the pulley without the special tools will probably damage the pulley and or the pump.
Pulley machine type of many! Machine have many pulley, many pulley machine! Type machine, many pulley type. Pulleys, type pulley machine many type. Machine.
Though many have individual names here are some overall names for ropes;RopesStaysLinesSheetsHalyardsEnds
Pulleys allow for the transfer of force and motion over a distance. They can help to lift heavy objects with less effort by distributing the weight to multiple ropes or chains. Pulleys also enable redirection of force, making it easier to change the direction of an object's movement.
To take the power steering pump pulley off of many later model GM products requires a special puller made for that purpose. It is available from Autozone on their loaner tool program. The same set includes another puller to put the pulley back on. Some water pumps also use the same style pulley.
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The bolt, nut and washer they give you with a replacement p/s pump is only for installing the pulley. To remove the pulley from the old pump without damaging the pulley requires a special puller. Many auto parts stores can rent you the proper puller for the job.
Olsen Chain's tow ropes are considered by many farmers to be of very high quality. Olsen Chain ropes can be bought from their website along with accessories.