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The sprung mass of a 4-wheeler is 12 kN and the unsprung mass is 950 N. The combined stiffness of the suspension spring is 48 KN/m and that tyre is 570.4 kN/m. Determine the two natural frequencies of the bounce motion of sprung and unsprung mass if the car travels at 72 km/h over a road of sine wave form with the wavelength of 7.15 m and amplitude of 5 cm. Also determine the critical speeds of the vehicle. (Take acc. Due to gravity as 10 m/s2 )?

The sprung mass of a 4-wheeler is 12 kN and the unsprung mass is 950 N. The combined stiffness of the suspension spring is 48 KN/m and that tyre is 570.4 kN/m. Determine the two natural frequencies of the bounce motion of sprung and unsprung mass if the car travels at 72 km/h over a road of sine wave form with the wavelength of 7.15 m and amplitude of 5 cm. Also determine the critical speeds of the vehicle. (Take acc. Due to gravity as 10 m/s2 )?

Grade:12th pass

1 Answers

Arun
25750 Points
3 years ago
Dear student
 
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Thanks and regards

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