Solving an Energy Problem in AP Physics: Calculating Frictional Force

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SUMMARY

The discussion focuses on calculating the frictional force acting on an object sliding on a rough surface in AP Physics. The problem states that an object experiences an increase in kinetic energy (KE) of "E" while being pushed by a constant force "F" through a distance "d". It concludes that the net work done on the object, which is equal to the change in kinetic energy, can be used to determine the frictional force opposing the motion.

PREREQUISITES
  • Understanding of Newton's Laws of Motion
  • Familiarity with the Work-Energy Theorem
  • Knowledge of kinetic energy calculations
  • Basic principles of friction in physics
NEXT STEPS
  • Study the Work-Energy Theorem in detail
  • Learn how to calculate frictional force using the formula: Friction = Applied Force - Net Force
  • Explore examples of kinetic energy problems involving friction
  • Review Newton's Laws of Motion and their applications in real-world scenarios
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AP Physics students, educators teaching physics concepts, and anyone preparing for physics examinations who seeks to understand the relationship between force, work, and energy.

lrp3395
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While studying for my AP physics midterm i was looking back at old topics and came across a problem I'm having a lot of trouble with

If an object sliding on a rough surface experiences an increase in KE of "E" while being pushed by a constant force of "F" through a distance "d" what is the force due to friction
 
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Work is energy too.
 
The total (net) work is equal to the change in kinetic energy.
 

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