What is the magnitude of the average force required to stop a

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SUMMARY

The average force required to stop a 1500 kg car traveling at 75 km/h in 8.0 seconds is calculated using Newton's second law and the formula for acceleration. First, convert the speed from km/h to m/s, resulting in 20.83 m/s. The required deceleration is then determined by dividing the change in velocity by the time, yielding an acceleration of -2.604 m/s². Finally, applying F = ma, the average force is found to be approximately 3906 N.

PREREQUISITES
  • Understanding of Newton's second law of motion
  • Ability to convert units (km/h to m/s)
  • Basic knowledge of acceleration and force calculations
  • Familiarity with the concept of average force
NEXT STEPS
  • Study the principles of Newton's laws of motion
  • Learn about unit conversions, specifically speed
  • Explore the relationship between force, mass, and acceleration
  • Investigate real-world applications of average force in automotive safety
USEFUL FOR

Students studying physics, automotive engineers, and anyone interested in understanding the dynamics of vehicle stopping forces.

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Homework Statement


What is the magnitude of the average force required to stop an 1500kg car in 8.0s if the car is traveling at 75km/h ?


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The Attempt at a Solution

 
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