Homework Statement
Number 15
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[PLAIN]http://lookpic.com/d2/i2/386/kFYE2mOH.jpeg
Homework Equations
Rs=R1+R2+R3
Rpar=1/r1+1/r2+1/r3
I=V/R
The Attempt at a Solution
1/(1/5+1/10+1/5)=2
Rtotal=7
I=21/7
I=3
I don't know what else to...
Homework Statement
A cube of side l rests on a rough floor. It is subjected to a steady horizontal pull F, exerted a distance h above the floor as shown below. As F increases, the block will either begin to slide, or begin to tip over and thus rotate. Determine the coefficient of static...