anonymous
  • anonymous
does anyone know: A vehicle parked on a slope, of inclination 20 degrees. The weight of the vehicle acts as a downward force of 10,000N. Find out: what is the magnitude of the resistance force the brakes must be exerting to prevent the vehicle moving down the slope.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
to prevent the vehicle moving down the slope, you have to make sure that \[\sum_{}^{}Fx=0\] and \[\sum_{}^{}Fy=0\]
anonymous
  • anonymous
Set up the usual coordinate system with horizontal axis parallel to incline surface
anonymous
  • anonymous
\[\sum_{}^{}Fx = 0 = 10000 \sin 20^{0} - fr\] fr= resistance force from the brakes so \[fr=10000\sin 20^{o}\]

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anonymous
  • anonymous
ohh thankyou i understand :)
anonymous
  • anonymous
you're welcome

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