Help with finding missing quantities on Free-Body Diagrams

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SUMMARY

The discussion centers on solving for missing quantities in Free-Body Diagrams, specifically focusing on the net force (FNet), acceleration (a), and individual forces (F1). The key equations referenced include FNet = Fn - Fg + Fa - FF and Fg = mg, with the assumption that the body is not accelerating, indicating that FNet equals zero. Participants emphasize the importance of understanding vectorial force sums and the implications of constant velocity in analyzing forces acting on the body.

PREREQUISITES
  • Understanding of Newton's Laws of Motion
  • Familiarity with Free-Body Diagrams
  • Knowledge of vector addition and equilibrium
  • Basic grasp of force equations (e.g., FNet = ma)
NEXT STEPS
  • Study the concept of equilibrium in Free-Body Diagrams
  • Learn how to apply Newton's First Law to static systems
  • Explore vector addition techniques for force analysis
  • Review examples of Free-Body Diagrams in physics textbooks
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Students studying physics, educators teaching mechanics, and anyone seeking to improve their understanding of force analysis in static systems.

bunk66
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Homework Statement


Fill in the missing quantity for the following:
HwYXz.jpg


V = constant
FNet = ?
a = ?
F1 = ?

Homework Equations


FNet = Fn - Fg + Fa - FF
Fg = mg
FNet = ma

The Attempt at a Solution


Because I honestly do not know how to go about solving this, the only things I've done are review class notes and consult the textbook, both of which have left me empty-handed.
 
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The diagram is rather crude, but I'll assume:
- all force lines are supposed to have arrows pointing away from the block
- all force lines are parallel
- the body is not accelerating
If the body is not accelerating, what do you know about the (vectorial) sum of the forces acting on it?
 

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