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Author Question: A 375-g stone hangs from a thin light string that is wrapped around the circumference of a ... (Read 110 times)

asan beg

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on: Jul 29, 2018
A 375-g stone hangs from a thin light string that is wrapped around the circumference of a frictionless pulley with a moment of inertia of 0.0125 kg  m2 and a radius of 26 cm.
 
  When the stone is released, the stone accelerates downward and the pulley rotates about its axis as the string unwinds.
  (a) What is the magnitude of the acceleration of the stone?
  (b) What is the tension in the string?

Question 2

A force of is exerted tangentially to a wheel of radius 0.340 m and causes an angular acceleration of 1.20 rad/s2. What is the moment of inertia of the wheel?
 
  A) 4.78 kg  m2
  B) 3.59 kg  m2
  C) 5.98 kg  m2
  D) 7.17 kg  m2


softEldritch

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Reply #1 on: Jul 29, 2018
Answer to Question 1

(a) 6.6 m/s2 (b) 1.2 N

Answer to Question 2

A


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asan beg

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Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


softEldritch

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Reply #3 on: Jul 29, 2018
Great! Please up vote :D


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