Question

 How does the amount of work the screwdriver does on the can compare with the amout of work you do on the screwdriver?

Answer A screwdriver should be 100% efficient, if there are any small losses they will be due to deforming the screwhead, or frictional losses on the screwhead.
http://wiki.answers.com/Q/How_does_the_amount_of_work_the_screwdriver_does_on_the_can_c...

Top Q&A For: How does the amount of work the screwdriver doe...

Why is a cross-headed screwdriver called a 'Philips' screwdriver?

In the early 1930s, the Phillips head screw was invented by Henry Phillips. Automobile manufacturers now used car assembly lines. They needed screws that could take greater torque and could provide... Read More »
http://answers.yahoo.com//question/index?qid=20071022064836AAbuOHR

How does a Sonic Screwdriver work?

It unlocks things by sending out a high frequency sound that can brake or unlock locks, using this high frequency sound it can also break glass and lights. It might also send a magnetic wave that i... Read More »
http://wiki.answers.com/Q/How_does_a_Sonic_Screwdriver_work

How to Magnetize a Screwdriver?

Have you ever been working on a project in a tight space, or where the screws were really small? Did you lose screws off the screwdriver and have to hunt for them, or lose screw after screw? Here i... Read More »
http://www.wikihow.com/Magnetize-a-Screwdriver

What is the use of a Philips screwdriver?

A Phillips screw driver is primarily used to fasten and unfasten screws with a star-like hole in their heads.
http://wiki.answers.com/Q/What_is_the_use_of_a_Philips_screwdriver


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