2011_final_solution.pdf - [10 marks A 1.5-kg collar is...

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Mechanics of Materials
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Chapter 9 / Exercise 9.10-6
Mechanics of Materials
Gere/Goodno
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Mechanics of Materials
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Chapter 9 / Exercise 9.10-6
Mechanics of Materials
Gere/Goodno
Expert Verified
[10 marks] A 1.5-kg collar is attached to a spring and slides without friction along a circular rod in a vertical plane. The spring has an undeformed length of 150 mm and a constant 400 N/m k . Knowing that the collar is release at A with zero velocity, determine (a) [4 mark] the speed of the collar at (b) [3 mark] the tangential acceleration of the collar at B , and (c) [3 mark] the normal force from the rod on the collar when it is at B B , . Solution: is 2 2

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