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Unformatted text preview: • Calculate the normal force on the left side tires ( N L ) and right side tires ( N R ) as the Ranger goes around a flat left-hand curve (no banking or superelevation) of radius r C =350 feet at speeds of v=30 mph and v=60 mph . • Determine the speed at which the Ranger is just about to start a rollover, i.e., N L = 0. What coefficient of friction is required for a rollover to occur ( μ = F R /N R )? 3. An aluminum plate with 8 steel cylinders is arranged as shown. Determine the mass moment of inertia about the Z axis at the center of mass of the entire system . Express I G in units of lbf-ft-sec 2 and kg-m 2 . X Y ± Thickness of table = 0.80 cm = 0.31 in ± Table diameter = 20 cm = 7.9 in ± Table material = aluminum – ρ Al = 0.00265 kg/cm 3 = 0.096 lbm/in 3 ± Workpiece diameter = 3.0 cm = 1.18 in ± Workpiece height = 4.0 cm = 1.57 in ± Workpiece material = steel – ρ St = 0.0078 kg/cm 3 = 0.282 lbm/in 3 R N R F t h mg W = L N L F C r...
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This note was uploaded on 04/08/2008 for the course AEM 264 taught by Professor Parkermcinerny during the Spring '08 term at Alabama.
- Spring '08