*17-48. The snowmobile has a weight of 250 lb, centeredat Gj, while the rider has a weight of 150 lb, centered at G,.If h = 3 ft, determine the snowmobile's maximumpermissible acceleration a so that its front skid does not liftoff the ground. Also, find the traction (horizontal) force andthe normal reaction under the rear tracks at A.0.5 ft1 ftF1.5 ft-

Given Weight of the rider, Weight of the snowmobile,

Answered: *17-48. The snowmobile has a weight of…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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The 940-kg motorized unit A is designed to raise and lower the 445-kg bucket B of concrete. Determine the average force R which supports unit A during the 6.0 seconds required to slow the descent of the bucket from 3.1 m/s to 0.7 m/s. Analyze the entire system as a unit without finding the tension in the cable.
A. If h=3ft, determine the snowmobile’s maximum permissible acceleration aa so that its front skid does not lift off the ground. B. Find the traction (horizontal) force under the rear track at A. C. Find the normal reaction under the rear track at A.
The drop gate at the end of the trailer has a mass of 1000 kg and mass center at G. If it is supported by the cable AB and hinge at C. determine the tension in the cable when the truck begins to accelerate at 5 m/s2 to the left.
The uniform slender bar has a mass of 7 kg. If the spring is unstretched when Ⓒ = 0º, determine the magnitude of the reaction force exerted on the bar by pin A when = 45°, if at this instant w = 7 rad/s. The spring stiffness is k = 150 N/m. A 800 mm k = 150 N/m B
A man pushes the lawn mower at a steady speed with aforce P that is parallel to the incline. The mass of themower with attached grass bag is 50 kg with mass centerat G. If  = 15°, determine the normal forces NB and NCunder each pair of wheels B and C. Neglect friction. (useg = 9.81 m/s2)
solve, answer is provided, show all steps.
Give the solution.
2. The car, having a mass of 1000 kg, is traveling horizontally along a 20° banked track which is circular and has a radius of curvature of p = 100 m. If the coefficient of static friction between the tires and the road is us = 0.3, determine the minimum and maximum constant speed at which the car can travel without sliding down and up the slope. Neglect the size of the car. e= 20°
Determine the tension Pin the cable which will give the 143-lb block a steady acceleration of 6.1 ft/sec? up the incline. 23° 143 lb He = 0.40 %3D 30° Answer: P = i Ib
Under the man's pushing force P = 37.3 lb, the uniform cabinet is sliding on the ground with a constant acceleration of a. If the uniform cabinet has weight of 150 lb, and the coefficient of kinetic friction between the cabinet and the ground is Uk = 0.14, determine the normal force reaction under leg A. Please pay attention: the numbers may change since they are randomized. Your answer must include 2 places after the decimal point and proper unit. Take g = 32.2 ft/s?. -1 ft +1 ft- 4 ft 3.5 ft A В Your Answer: Answer units
Determine the steady-state angle a if the constant force P = 170 N is applied to the cart of mass M = 27 kg. The cart travels on the slope of angle 0 = 22°. The pendulum bob has mass m = 8 kg and the rigid bar of length L = 1.5 m has negligible mass. Ignore all friction. m P Answer: a = i α 2-1 M Ө O
Q2/ The 5-kg collar A slides with negligible friction on the fixed vertical shaft. When the collar is released from rest at the bottom position shown, it moves up the shaft under the action of the constant force F=180 N applied to the cable. Determine the stiffness k which the spring must have if its maximum compression is to be limited to d = 70 mm. The position of the small pulley at B is fixed. Take , h = 450 mm and b = 230 mm . (Use the Work-Energy Equation).

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