As illustrated in Fig. 9-7, a 0.90-kg body attached to a cord is whirled in a vertical
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As illustrated in Fig. 9-7, a 0.90-kg body attached to a cord is whirled in a vertical circle of radius 2.50 m.
(a) What minimum speed υt must the body have at the top of the circle so as not to depart from the circular path?
(b) Under condition (a), what speed υb will the object have after it “falls” to the bottom of the circle?
(c) Find the tension FTb in the cord when the body is at the bottom of the circle and moving with the critical speed υb.
Transcribed Image Text:
1 1 1 1 1 1 1 v₁ mg mg FTI FTb Ub Fig. 9-7 1
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The object is moving at its slowest speed at the very top and increases its speed as it revolves dow...View the full answer
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