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Re: Stupid physics problem.
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Originally Posted by Adam Y.
A window washer pulls herself upward using the bucket-pulley apparatus shown in Fig. 4-40. The mass of the person plus the bucket is 64 kg. The person pulls themselves up the rope on the other side of the pully. Assuming friction doesn't apply. What is the force needed to pull the person up with a constant velocity? If she increases this acceleration by 14% how much does she accelerate. I hate my physics class. This is the only class where I do my homework online. Get the answer wrong on one part of the question, use the wrong answer for another part, and get the right answer for another part. Here is another one:
A 19.0 kg box is released on a 34.0° incline and accelerates down the incline at 0.03 m/s2. Find the friction force impeding its motion. What is Mu?
I wouldn't be asking these questions if the didn't confuse me and my teachers confuse me even more.
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Adam,
My apologies for what I am about to say... These are fairly simple questions... If they confuse your teachers, find a new teacher.
JMHO
__________________
Mike Betts
Alumnus, Team 3518, Panthrobots, 2011
Alumnus, Team 177, Bobcat Robotics, 1995 - 2010
LRI, Connecticut Regional, 2007-2010
LRI, WPI Regional, 2009 - 2010
RI, South Florida Regional, 2012 - 2013
As easy as 355/113...
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