Solving Friction Problems: 500N Box on a Non-Frictionless Floor

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SUMMARY

The discussion focuses on solving friction problems involving a 500 N box being pulled across a non-frictionless floor. The box is moved at a constant velocity of 3 m/s by applying a 200 N force. The coefficient of friction is a key factor in determining the required force, and the discussion also explores the scenario of pulling the box at a 30-degree angle with a coefficient of 0.4. The tension in the rope is calculated based on these parameters.

PREREQUISITES
  • Understanding of Newton's laws of motion
  • Knowledge of friction coefficients and their implications
  • Basic trigonometry for resolving forces at angles
  • Familiarity with free-body diagrams
NEXT STEPS
  • Calculate the coefficient of friction for the box using the formula: friction force = coefficient of friction x normal force.
  • Learn how to resolve forces into components when pulling at an angle.
  • Explore the concept of tension in ropes and how it relates to applied forces and friction.
  • Study examples of similar problems involving constant velocity and frictional forces.
USEFUL FOR

Students studying physics, particularly those tackling mechanics and friction problems, as well as educators looking for practical examples to illustrate these concepts.

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Homework Statement



You need to move a 500 N box across the floor. You pull on the box with a rope which is also horizontal. The floor is not frictionless. You move the box so that it moves with a constant v of 3m/s by applying a 200 N force.

Coefficient of Friction?

Also,

same question except pull the box at an angle of 30 degrees from the horizontal, use 0.4 coefficient.

what is the tension in the rope

The Attempt at a Solution



I just really can't even get started on this one, i have no idea, my professor really didnt cover to much of this but gave us 4 similar questions on it, any help would help me out...
 
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