Explore BrainMass

Explore BrainMass

    A person and cage are suspended from pulley; Find force exerted on rope

    Not what you're looking for? Search our solutions OR ask your own Custom question.

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    A man sitting in a cage is connected to a pulley system of three movable and one fixed pulley in the system shown in ATTACHMENT #1.

    He pulls down on a rope as shown, to raise himself and the cage. The man and cage have a total weight of 639 nt. Ignore friction as negligible.

    PART a. Find the force he exerts to move upward with constant velocity.

    PART b. Find the force he exerts to move upward with acceleration of 1.8 m/sec^2.

    © BrainMass Inc. brainmass.com November 24, 2022, 11:35 am ad1c9bdddf


    Solution Preview

    PART a.
    Step 1.
    On ATTACHMENT #1, letting R = the force he exerts, show in terms of R, the force in each segment of each rope.

    Step 2.
    For the two ropes which actually are in contact with the man and the cage, express ...

    Solution Summary

    In six steps, the problems are explained and solved.