I have the following problem that I can't seem to solve.(adsbygoogle = window.adsbygoogle || []).push({});

Combine these two equations:

TR = I(alpha) *Newton's 2nd law of Rotation for the wheel

T - mg = ma *Newton's Second law for the mass

to make this one:

mg = I/R^2*a

Note that a is much smaller than g

I break it to:

mg = I(alpha)/r - ma or I(alpha)/r ... unless (alpha) = a/r in which case ... hmmm

First of all I notice that alpha and T are eliminated. Two variables gone for two equations?? (a is smaller than g, does that mean alpha is...?)

Also, where does R^2 come from?

I think T if force (F), R is radius (r)

I is moment of inertia, alpha is angular accel, m is mass, g is (duh) gravitational constant and a should be acceleration

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# Combining two equations

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