Vehicle Ride 1

1. (i)   Rear sprung mass frequency =1.29 hz .

    (ii)  Front sprung mass natural frequency =1.15 hz (as mentioned).

    (iii)  Front spring rate =260.3 N/mm.

    (iv)  Rear spring rate =339.1N/mm.

    (v)   Front sprung mass natural frequency (curb) =1.98 hz

           Front sprung mass natural frequency (GVW) =1.83 hz.

    (vi)   Rear sprung mass natural frequency (curb) =2.58 hz

           Rear sprung mass natural frequency (GVW) =2.01hz.

    (vii)  Front unsprung mass natural frequency (curb) =16.86 hz

           Front unsprung mass natural frequency (half load) =16.86 hz

           Front unsprung mass natural frequency (GVW) =16.86 hz.

    (viii) Rear unsprung mass natural frequency (curb) =22.2 hz

           Rear unsprung mass natural frequency (half load) =22.2 hz

           Rear unsprung mass natural frequency (GVW) =22.2 hz.

     (xi) Frequency ratio for sprung mass (curb) = 1.303

           Frequency ratio for sprung mass (half load) =1.12

           Frequency ratio for sprung mass (GVW) =1.09.

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