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A 90-N force is applied to the control rod AB as shown. Knowing that the length of the rod is 225 mm, determine the moment of the force about point B by resolving the force into horizontal and vertical components.
Using the required parameters for a typical large size car* and an appropriate frontal Quarter-Car model.
A 782 pound 4WD vehicle is designed to clime a 16 degree ramp. What is the minimum acceptable coefficient of friction between its tires and the ramp surface?
Two kilograms of Refrigerant134a, initially at 2 bar and occupying a volume of 0.12 m3, undergoes a process at constant pressure until the volume has doubled. Kinetic and potential energy effects are negligible. Determine the work and heat transfe..
For a vehicle in gravitationless space, determine the mass ratio necessary to boost the vehicle velocity by 1600 m/sec; the effective exhaust velocity is 2000 m/sec and the initial total vehicle mass is 4000 kg.
A 9º wedge is inserted using a force of 1000 lbs. The static coefficient of friction between the wedge and the log is 0.50. Determine the force required to pull the wedge out.
The temperature of the water drops to 260 F as a result of heat transfer to the surroundings. Determine the final pressure in the tank?
(1) I shte cooling process polytropic? If so, what is the value of n? (2) Find the final state pressure. (3) Compute the work done for this process considering the water as a closed system.
why is the correct tightening of friction grip bolts important?
what would be the effect on the calculated value of the vane efficiency for mass of jockey in error by 0.001 measurements.
The hydrogen spectrum has a red line at 656 nm and a blue line at 434 nm. What is the first order angular separations between these two spectral lines obtained with a diffraction grating that has 4500 lines per centimeter?
Water is being pumped from a large lake to a reservoir 30 m above at a rate of 5x10-3 m3/s by a 12 kW (shaft) pump. If the irreversible head loss of the piping system is 8m, determine the mechanical efficiency of the pump.
find the natural frequencies of oscillation of the double-pendulum below where m1=m2=m, and L1=L2=L.
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