Frictional Force: Solve 2m/s in 2s

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SUMMARY

The discussion focuses on calculating the frictional force acting on a block moving at a velocity of 2 m/s that comes to a stop in 2 seconds. Participants emphasize the importance of identifying initial and final velocities, as well as the time duration to determine acceleration. The equation ΣF = ma is highlighted for finding the net force, which includes the frictional force. Additionally, the relationship between frictional force and the normal reaction force is discussed as a critical step in solving the problem.

PREREQUISITES
  • Understanding of Newton's Second Law (ΣF = ma)
  • Basic concepts of friction and normal force
  • Knowledge of kinematic equations for motion
  • Familiarity with the definitions of initial and final velocity
NEXT STEPS
  • Study the relationship between frictional force and normal force in detail
  • Learn how to apply kinematic equations to solve motion problems
  • Explore examples of calculating net force in various scenarios
  • Investigate the effects of different surfaces on frictional force
USEFUL FOR

Physics students, educators, and anyone interested in understanding the principles of motion and friction in mechanics.

frostsabre
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Edit: I am going to make it a little bit more simple so ill just be needing help on a problem which I would use as a reference.
Problem: Solve for the Frictional force of a block moving at a horizontal surface at a velocity of 2m/s and stops in 2s.
 
Last edited:
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what do you think about the question?
 
you have vinitial, vfinal, time

so you can find a

now list all the forces acting on the body in horizontal direction

then use ΣF = ma and find the frictional force...

Now use the relation of frictional force and normal rxn of body!

PS: post new replies instead of editing original message. most members use the name of last person who posted to see if there is a new reply or not
 

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