Maximum Upward Acceleration of a String

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SUMMARY

The maximum upward acceleration that can be imparted to a 10 kg mass using a string with a maximum tension of 200 N is determined by considering both the gravitational force and the tension in the string. The gravitational force acting on the mass is 98 N (calculated as 10 kg × 9.8 m/s²). The net force available for upward acceleration is the difference between the maximum tension and the gravitational force, which is 102 N. Using the equation F = ma, the maximum upward acceleration is calculated as 10.2 m/s².

PREREQUISITES
  • Understanding of Newton's Second Law (F = ma)
  • Knowledge of free body diagrams
  • Basic concepts of tension in strings
  • Gravitational force calculations (g = 9.8 m/s²)
NEXT STEPS
  • Study the principles of free body diagrams in physics
  • Learn about tension forces in different contexts
  • Explore advanced applications of Newton's laws in dynamics
  • Investigate the effects of varying mass on acceleration in tension scenarios
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Students studying physics, particularly those focusing on mechanics and dynamics, as well as educators looking for examples of tension and acceleration problems.

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Homework Statement


A string can withstand a maximum tension of 200 N. What is the maximum upward acceleration one can impart to a 10 kg mass using this string?


Homework Equations


T=ma
a=F/m


The Attempt at a Solution


so i tried just plugging those variables in that equation and i got 20 m/s^2 i know this is wrong but i can't seem to find the right equation to solve this problem. please help i know its simple
 
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Draw out the free body diagram. There's both gravity and the tension of the string that you need to take into account.
 
And if you know your net force in the downward direction cannot exceed 200 N, then...

And don't forget to include gravity in your force diagrams.
 

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