A 30 lb block is subjected to a force, F = 60 lb as shown below. The block starts from rest. When the block has moved upward 0.5 ft, Point B has moved downward 0.25 ft. Ignore the mass of the pulleys and rope and assume the pulleys are frictionless. Answer the following questions. a. Use the figure provided to label the vertical datum. Include all relevant distances needed to evaluate the pulley system. b. How much work is done by the block? Show your work. Magnitude rounded to 3 sig. fig. Units c. How much work is done by the force, F? Show your work. Magnitude rounded to 3 sig. fig. IInits d. Use the Principle of Work & Energy to determine the final kinetic energy of the block after it has move 0.5 ft. Show your work.

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Forced undamped vibrations

In mechanical engineering, vibration is expressed as the term that occurs due to an object's backward and forward movement about a point of equilibrium. Generally, there are three types of vibrations which are,