The springs only stretch and compress in a linear way. They do not twist nor bend. 1. Determine the degree of freedom of the system.
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The springs only stretch and compress in a linear way. They do not twist nor bend.
1. Determine the degree of freedom of the system.
2. Determine the displacement vector and mass matrix of that dimension.
3. List all possible modes of vibration and explain the reason why they occur qualitatively with diagrams.
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- A simple pendulum swings back and forth in a circular path. Including the effects of air resistance, determine which statement is true. There may be more than one correct answer. A. After the pendulum is released, it will never return to its original height. B. The total linear acceleration vector always points towards the center of the circular path as the pendulum swings back and forth. C. The work done by air resistance is always negative as the pendulum swings back and forth D. The work done by the tension force is always zero as the pendulum swings back and forth E. The gravitational force always produces a counterclockwise torque as the pendulum swings back and forth.B/ Answer the following questions: D Define stress, strain and Hook's law, and draw their relation. 2) According to simple harmonic motion, in the moment of an object passing by the half distance of its passage then what the state of its energy? 3) if a wall clock has been fallen from a height, will it keep giving the correct time during the free fall? Explain the reason.6. The static coefficient of friction μs applies to an object of mass m placed on a platter that revolves about a vertical axis at frequency f. Derive an expression for the maximum distance r from the center of the platter at which the object can remain without sliding off the platter.
- vipMphvow7Jxcj5pBmcw/formResponse Choose the correct answer * A block of mass m = 3 kg attached to a spring with a spring constant k 150 N/m is set into vibration on a horizontal frictionless surface. At the equilibrium position, the block has a speed v 0.4 m/s. The speed v of the block when it passes through the point x = 0.04 m is equal to: %3D %3D O 0.283 m/s O 0.187 m/s ) 0.111 m/s O 0.353 m/s O 0.050 m/s Choose the corrert answer O O OChapter 15, Problem 072 A uniform circular disk whose radius R is 14.7 cm is suspended as a physical pendulum from a point on its rim. (a) What is its period? (b) At what radial distance r < R is there a pivot point that gives the same period? (a) Number Units (b) Number Units Click if you would like to Show Work for this question: Open Show Work