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    A 60 -mm-radius drum is rigidly attached to a 100 -mm-radius drum as shown. One of the drums rolls without sliding on the surface shown, and a cord is wound around the other drum. Knowing that end E of the cord is pulled to the left with a velocity of 120 mm / s, determine (a) the angular velocity of the drums, ( b ) the velocity of the center of the drums, (c) the length of cord wound or unwound per second. | Numerade
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    A rectangular plate is acted upon by the force and couple shown This system is to be replaced with a single equivalent force. (a) For α=40^∘, specify the magnitude and line of action of the equivalent force. ( b ) Specify the value of αif the line of action of the equivalent force is to intersect line C D 300 mm to the right of D. | Numerade
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    numerade.com
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    已浏览 5637 次2024年2月11日
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    OpenStax College Physics Solution, Chapter 6, Problem 29 (Problems an…
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