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In order to test an intentionally weak adhesive, thebottom of the small 0.3-kg block is
Chapter 5, Problem 5/15(choose chapter or problem)
In order to test an intentionally weak adhesive, the bottom of the small 0.3-kg block is coated with adhesive and then the block is pressed onto the turntable with a known force. The turntable starts from rest at time t = 0 and uniformly accelerates with \(\alpha=2 \mathrm{\ rad} / \mathrm{s}^{2}\). If the adhesive fails at exactly t = 3 s, determine the ultimate shear force which the adhesive supports. What is the angular displacement of the turntable at the time of failure?
Questions & Answers
QUESTION:
In order to test an intentionally weak adhesive, the bottom of the small 0.3-kg block is coated with adhesive and then the block is pressed onto the turntable with a known force. The turntable starts from rest at time t = 0 and uniformly accelerates with \(\alpha=2 \mathrm{\ rad} / \mathrm{s}^{2}\). If the adhesive fails at exactly t = 3 s, determine the ultimate shear force which the adhesive supports. What is the angular displacement of the turntable at the time of failure?
ANSWER:
Step 1 of 6
The tangential acceleration can be calculated as,
For 
