Physics Free Body Diagram Question

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SUMMARY

The discussion focuses on creating a free body diagram for a block on a 30-degree inclined plane with friction. The block is stationary, indicating that the frictional force must balance the component of gravitational force acting down the slope. Participants emphasize that friction acts in the opposite direction to the potential motion of the block, which is crucial for accurately representing the forces in the diagram.

PREREQUISITES
  • Understanding of free body diagrams
  • Knowledge of Newton's laws of motion
  • Familiarity with inclined planes and forces
  • Concept of static friction and its role in equilibrium
NEXT STEPS
  • Study the principles of static friction and its calculations
  • Learn how to draw and label free body diagrams accurately
  • Explore the effects of different angles on frictional forces
  • Investigate the relationship between gravitational force and normal force on inclined planes
USEFUL FOR

Students in physics, educators teaching mechanics, and anyone interested in understanding the dynamics of forces on inclined surfaces.

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Question:
Draw and label the free body diagram
of a block on a plane inclined 30Efrom the
horizontal. .There is friction and the block is
stationary The magnitudes of the
vectors must be correctly scaled and the
directions correct.
3.

The Attempt at a Solution



Draw 30 degree angle but I don't know how to factor in friction for this block. Please help with this free body diagram.
 
Physics news on Phys.org
To determine the direction of friction, it is worth recalling that friction always acts in the opposite direction of the motion of the object. In which direction is the block "trying" to move? Also, the block is stationary: what does this tell you about the magnitude of friction?
 

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