The figure shows the side view of a door to a storage compartment. As the 40-kg uniform
Question:
The figure shows the side view of a door to a storage compartment. As the 40-kg uniform door is opened, the light rod slides through the collar at C and compresses the spring of stiffness k. With the door closed (θ = 0), a constant force P = 225 N is applied to the end of the door via a cable. If the door has a clockwise angular velocity of 1 rad/s as the position θ = 60° is passed, determine
(a) The stiffness of the spring
(b) The angular velocity of the door as it passes the position θ = 45°. Neglect all friction and the mass of the pulleys at C and D. The spring is uncompressed when the door is vertical, and b = 1.25 m.
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Step by Step Answer:
a To determine the stiffness of the spring we can use the equation for the torque applied to the doo...View the full answer
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Related Book For 
Engineering Mechanics Dynamics
ISBN: 9781118885840
8th Edition
Authors: James L. Meriam, L. G. Kraige, J. N. Bolton
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