Explore BrainMass

Explore BrainMass

    Laws of motion: Force, friction, Pulleys.

    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 clown weighs 890 N. The coefficient of static friction between the clown's feet and the ground is 0.53. He pulls vertically downward on a rope that passes around three pulleys and is tied around his feet. What is the minimum pulling force that the clown must exert to yank his feet out from under himself?

    © BrainMass Inc. brainmass.com September 28, 2022, 10:02 pm ad1c9bdddf
    https://brainmass.com/physics/equilibrium/laws-motion-force-friction-pulleys-84139

    Solution Preview

    Please see the attached file.

    Tension force
    A clown weighs 890 N. The coefficient of static friction between the clown's feet and the ground is 0.53. He pulls vertically downward on a rope that passes around three pulleys and is tied around his feet. What is the minimum pulling force that the clown must exert to yank his feet out from under himself
    Answer:
    At the time of the minimum pulling ...

    Solution Summary

    The minimum force required by a person to pull himself using three pulleys is calculated using the forces and tension in the rope.

    $2.49

    ADVERTISEMENT