No idea how to find applied forced based on kinetic friction and acceleration.

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SUMMARY

The discussion centers on calculating the applied force and the coefficient of sliding friction for a 10.0 kg box accelerated to 4.00 m/s in 1.00s, with a kinetic friction force of 5.00N. To find the applied force, Newton's second law (F = ma) is utilized, where the net force is the applied force minus the frictional force. The coefficient of sliding friction (μ) is determined using the formula μ = Ff/Fn, where Fn is the normal force calculated as Fn = mg.

PREREQUISITES
  • Understanding of Newton's second law (F = ma)
  • Knowledge of kinematic equations
  • Familiarity with the concept of friction and its coefficients
  • Ability to calculate normal force (Fn = mg)
NEXT STEPS
  • Calculate net force using Newton's second law for various scenarios
  • Explore the relationship between mass, acceleration, and applied force
  • Study the effects of different coefficients of friction on motion
  • Learn to draw free-body diagrams to visualize forces acting on objects
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Students in physics or engineering courses, educators teaching mechanics, and anyone interested in understanding the principles of force, friction, and motion.

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Homework Statement


A 10.0kg box is accelerated from rest to 4.00 m/s in 1.00s. The force of kinetic friction on the box is 5.00N.
A) What is the size of the applied force?

B)What is the coefficient of sliding friction?


Homework Equations


The five kinematic equations?
μ = Ff/Fn
Fn= mg

The Attempt at a Solution


No idea.
 
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You start by drawing a diagram of the forces acting on the box, and then use Newton's second law.
 

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