We are given a thin wheel of radius r as shown in the figure. The mass...
We are given a thin wheel of radius r as shown in the figure. The mass of the wheel is M and the mass of the spokes is negligible. The wheel rotates about its axis without translational motion at 2 cycles/s. What is the radian frequency of the wheel?
If this wheel is now rolling along a road at 3 m/s, then, noting that there is both rotational and translational motion in the wheel, what is its total kinetic energy?
Homework Answers
(i) Two cycle per second means 2*2π rad per sec.
That mean
s 
(ii). 
Total K. E = rotational K. E + transnational K. E
Considering wheel of mass M kg ,as ring as spokes are massless.
I= Moment of inertia =
Total K. E = 
Total K. E =
Putting 
Total K. E = 
= 
( v= 3
m/s)
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