The physic associated with statics has considerable application in engineering.
ID: 2145102 • Letter: T
Question
The physic associated with statics has considerable application in engineering. As a mechanincal engineer working for a tow-truck manufacture, you have been asked to evaluate the purchase of a new line of towing cable. The supplier claims that, although its cables are not as strong as its competitors (maximum tension capability of 9270lb), the cost savings make it good investment.
A schematic of the towing configuration is shown below. The care weighs 6075lb, which is as large as the compay expects their tow trucks to service. Calculate the tension in the cable just as the front of the car begins to lift off the ground. Assume the center of mass (CM) of the car is positioned exactly halfway across its length, the geometry of the wheels and front/rear of the car is symmetrical and that the coefficient of friction between the road and tires is sufficient to maintain no acceleration in the system ______lb?
Explanation / Answer
net torque is zero about second tyre is equal to zero.
T*sin(46)*(10.1- (10.1-9.09)/2) - 6075*9.09/2 = 0
6.902*T = 27610.875
==> T = 4000.4 lb
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