Asked by Mets

Hi Enjoy, Thanks. I got the acceleration right and the Force wrong. Need help on Question 2.
Answered by jennifer
mets, can you help me with the aceleration please???



Answered by Mets
a=[F*(R+r)]/[(l/R)+m*R)]
a=[22*(0.25+0.1875]/(0.0625/0.25)+2*(0.25)
a=12.8333
This was correct. one of the few I got right. Part b is wrong. Need help on question 2 (torque) I am confused about the top view. I thought I understood it but I guess I don't.
Answered by jennifer
thnks, yeah i got it wrong too.

i think that by top view means that its a disk and you are looking at it from the top. so you just have to do the torque
torque= F*d=I*alpha

so alpha = F*d/I

d= distance between the point of aplication of the force and the point of rotation
Answered by enjoy
a) alpha= 2F/mr ccw
b) alpha= 2F/mr cw
c) alpha= 8F/3mr ccw
Answered by Geoff
enjoy. what about question 8. what did you do
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