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big_d
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Homework Statement
I have 2 problems I'm having trouble with right now.(actually more but I'll ask 2 and try to figure out the others for now.
Two blocks are in contact on a frictionless table. A horizontal force F is applied to M2, as shown. If M1 = 1.06 kg, M2 = 3.38 kg, and F = 4.75 N, find the magnitude of the contact force between the two blocks.
I calculated the acceleration of the entire system to be 1.069m/s^2 but don't know where to go from there.
A window washer pulls herself upward using the bucket-pulley apparatus shown in figure below.
How hard must she pull downward to raise herself slowly at constant speed? The mass of the person plus the bucket is 61.5kg.
Correct, computer gets: 3.01e+02 N
If she increases this force by 10.3 percent, what will her acceleration be?
I answered the first part, and for the second part have determined that if she increases her force ten percent to ~331N, that the acceleration upward would be 662N-601N/mass, but this is incorrect.
Homework Equations
F=ma?
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