How Is Average Net Force Calculated on a Mercedes?

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SUMMARY

The average net force applied to a 2000 kg Mercedes, accelerated from 10 m/s to 30 m/s over a time interval of 4.75 seconds, is calculated using Newton's second law of motion. The acceleration is determined to be 4.21 m/s², derived from the formula (Vf - Vi) / t. Consequently, the average net force is computed as F = m * a, resulting in a force of 8420 N.

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  • Understanding of Newton's second law of motion
  • Basic knowledge of kinematics, specifically acceleration
  • Familiarity with unit conversions in physics
  • Ability to perform calculations involving mass and force
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JMurph
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Your 2000 kg Mercedes is accelerated from 10 m/s to 30 m/s in 4.75s. What is the average net force that you have applied to the car in that time interval?Givens are:
mass= 2000 kg
time= 4.75s
acceleration=(Vf-Vi)/t= (30m/s-10m/s)/4.75s= 4.21m/s2
F=m*a= 2000kg*4.21m/s2= 8420 N

Unidentified:
FNet=?I'm completely stumped. Help is greatly appreciated!
 
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It's F_net =ma. F_net =??
 

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