Torques(Equilibrium of Solid Objects) Homework Problem - James Bond

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SUMMARY

The discussion revolves around a physics homework problem involving torques and equilibrium, specifically analyzing a scenario where James Bond calculates torques while on a board overhanging a pool. The board measures 18 meters in length and has a mass of 45 kg, while Dr. No weighs 60 kg. The key equations utilized in the solution include the sum of forces in the x-direction (ƩFx), the sum of forces in the y-direction (ƩFy), and the sum of torques (ƩTorques) to determine if Bond can safely leap off the board without falling into the pool.

PREREQUISITES
  • Understanding of torque and equilibrium principles in physics
  • Familiarity with basic mechanics equations: ƩFx, ƩFy, and ƩTorques
  • Knowledge of mass and weight calculations
  • Ability to analyze static systems and forces
NEXT STEPS
  • Study the concept of torque in-depth, focusing on its applications in static equilibrium
  • Learn how to solve equilibrium problems involving multiple forces and moments
  • Explore real-world applications of torque in engineering and physics
  • Review similar physics problems from AP Physics B to enhance problem-solving skills
USEFUL FOR

This discussion is beneficial for students studying physics, particularly those tackling problems related to torques and equilibrium, as well as educators seeking examples for teaching these concepts effectively.

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Homework Statement


James Bond and Dr. No are engaged in fisticuffs on a board overhanging a pool. Dr. No now pulls out his weapon. oh no!. Bond is in trouble again. Bond quickly calculates the torques and leaps off the left end of the board leaving Dr. No on the right. Is Bond safe? That is, does no feed the fish? Hint, put the pivot on the edge of the building.
L of the board = 18 meters
Mass of board = 45 kg
Dr. No = 60 kg
A picture can be seen here
http://teachers.sduhsd.net/tpscience/physics/notes/AP Physics B Problems/62 - 70 Statics.pdf
Page 66, #9


Homework Equations


0=ƩFx
0=ƩFy
0=ƩTorques

The Attempt at a Solution

 
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