Finding Minimum Force

  • Thread starter tutojean
  • Start date
  • #1
tutojean
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Homework Statement


A sled is pulled over a horizontal surface where the kinetic coefficient of friction is .20. What is the minimum force necessary to keep the sled moving if its mass is 2 slugs?


Homework Equations


fs = Ns(mg)


The Attempt at a Solution


fs = (.20) (2 slugs) (32)
=12.8

This problem has got me stumped. Please help! Thank You.
 

Answers and Replies

  • #2
rl.bhat
Homework Helper
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What is the unit of fs?
 
  • #3
tutojean
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I assume 12.8 N
 
  • #4
rl.bhat
Homework Helper
4,433
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