Concept explainers
The final angular velocity
Answer to Problem 167RP
The final angular velocity is
Explanation of Solution
Draw the free body diagram of the door as shown in Figure (1).
Write the expression to determine the moment of inertia of the gate about
Here, mass of the rectangular plate is
Apply conservation of angular momentum using Figure (1).
Here, applied force is
Write the expression to determine the moment about point
Conclusion:
Substitute
Substitute
Substitute 3 s for
Thus, the final angular velocity is
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Chapter 6 Solutions
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