What is the Force Exerted by a Pebble on a Block in an Ideal Atwood's Machine?

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SUMMARY

The discussion centers on calculating the force exerted by a pebble of mass m on a block of mass m2 in an ideal Atwood's machine. The primary force in question is the gravitational force acting on the pebble, which is quantified as F = m * g, where g represents the acceleration due to gravity. The solution emphasizes that the pebble exerts a single force on the block, directly linked to its mass and gravity. Understanding this relationship is crucial for solving problems related to forces in mechanical systems.

PREREQUISITES
  • Understanding of Newton's laws of motion
  • Basic knowledge of gravitational force calculations
  • Familiarity with the concept of an ideal Atwood's machine
  • Ability to manipulate algebraic equations
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  • Study the principles of Newton's second law of motion
  • Learn about gravitational force calculations in different contexts
  • Explore the mechanics of Atwood's machines and their applications
  • Practice solving problems involving forces and mass interactions
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This discussion is beneficial for physics students, educators, and anyone interested in understanding the dynamics of forces in mechanical systems, particularly in the context of idealized scenarios like Atwood's machines.

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Homework Statement


A pebble of mass m rests on the block of mass of m2 the ideal Atwood's machine in the figure below. Find the force exerted by the pebble on the block of mass m2. (Use the following variables as necessary: m for m, m_1 for m1, m_2 for m2, and g for gravity.)


Homework Equations





The Attempt at a Solution


i dont' know where to begin- -help!
 
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since you are just dealing with the pebble and the block which it rests on it .. it should be obvious that the pebble can only exert one force on that block since it has a certain mass m .. can you guess what should it be?
 

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