Typical Forces and friction question

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SUMMARY

The discussion focuses on solving a physics problem involving forces and friction, specifically determining the force of tension and the force of kinetic friction for a box sliding up a ramp. The user has successfully calculated the net force (Fnet) using the equation Fnet=ma but seeks guidance on calculating the normal force and tension. The user correctly identifies that kinetic friction can be calculated by multiplying the friction coefficient by the normal force, which is essential for solving the problem.

PREREQUISITES
  • Understanding of Newton's Second Law (Fnet=ma)
  • Knowledge of gravitational force (Fg=mg)
  • Familiarity with the concepts of normal force and friction coefficients
  • Basic principles of inclined plane physics
NEXT STEPS
  • Study how to calculate normal force on an inclined plane
  • Learn about the coefficient of kinetic friction and its application
  • Explore the concept of tension in systems involving pulleys and inclined planes
  • Review examples of force diagrams for multi-body systems
USEFUL FOR

Students studying physics, particularly those focusing on mechanics, as well as educators seeking to clarify concepts of forces and friction in inclined planes.

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[solved] Forces and friction

Hi guys :]

Homework Statement


A box (A) slides up a ramp due to the mass of the attached box (B).
Given the acceleration and ramp length, determine the force of tension and force of kinetic friction.


Homework Equations


Fnet=ma
Fg=mg

The Attempt at a Solution


I only got as far as finding the Fnet by multiplying the combined masses and given acceleration. Where do I go from here?
I don't need numerical values, just.. can someone enlighten me on how I should approach this question, so I can find the kinetic friction and tension forces?

Any help is greatly appreciated, thanks :redface:!
 
Last edited:
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I think kinetic friction is found by multiplying the friction coefficient by normal force. So the normal force must be found. Not really sure about tension.
 

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