Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
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A vehicle of total weight 49050 N is held at rest on a slope of 10°. It has a wheel base of 2.25 m and its centre of gravity is 1.0 m in front of rear axle and 1.5 m above the ground level. Find
- What are the normal reactions at wheels
- assuming that sliding does not occur first, what will be the angle of sloe so that the vehicle will overturn?
- Assuming all the wheels are to be braked what will be the angle of slope so that the vehicle will begin to slide if the co-efficient of adhesion between the tyre and the ground is 0.35?
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- 5. A motor is using a large pulley to pull a crate with a mass of m= 200 kg up a 30 degree incline. The pulley has a mass of m = 50 kg, a radius of r = 0.5 m and a radius of gyration of ko = 0.25 m. The motor supplies a torque of M = (500 +1500) N*m to the pulley. If the crate starts from rest and the coefficient of kinetic friction between the crate and ground is µ = 0.2 (assume the crate immediately starts moving, so no static friction analysis needed). Determine the speed of the crate after it travels 4m. M 777 30°arrow_forwardThe uniform cylindrical drum D weighs 42.0 lb. The coefficient of static friction at all surfaces is 0.600, and the coefficient of kinetic friction is 0.500 at all surfaces. The cylinder is pushed by force P applied to a pad as shown, and it is intended for the cylinder to translate horizontally without rotation. a) Calculate the minimum force P required.b) Calculate the acceleration of the drum.arrow_forwardA,B,Carrow_forward
- Please send me the solution of the questionarrow_forwardNeed help, please round answers to 3 sig figsarrow_forwardThe 16-kg wheel is rolling under the constant moment of M = 60 N-m. The wheel has radius r= 0.50 m, has mass center at point G, and the radius of gyration is kg = 0.23 m. The coefficients of friction between the wheel and the ground is ls = 0.28 and Uk = 0.14. If the wheel rolls without slipping, determine the angular acceleration of the wheel (in rad/s?). Please pay attention: the numbers may change since they are randomized. Your answer must include 2 places after the decimal point. Take g = 9.81 m/s?. Marrow_forward
- Need help please round answers to 3 sig figs. Thanksarrow_forwardExample E6 Pg 72 A vehicle of mass 3000 kg is being driven round a banked bend of radius 75 m on an icy day, calculate the maximum speed the vehicle can maintain without slipping outwards if the coefficient of friction between the road and the tyres is 0.2 and banking angle is 15°. Resolve force in the vertical and horizontal directions because the centripetal force is horizontal towards the axis of curvature. Note that N contributes to the vehicle's equilibrium in the vertical direction as well as maintaining the circular motion UN mg 15°arrow_forwardThe solid homogeneous cylinder shown has a mass of 30 kg and is rotating at 1200 rpm clockwise about a fixed horizontal axis through O. The coefficient of kinetic friction between the brake and the cylinder is 0.20. If the tension in the spring when the brake is applied is 100 N, determine the time required for the cylinder to stop rotating. Neglect the thickness of the vertical members. (Draw FBD)arrow_forward
- - Please Provide Free Body Diagrams and Kinetic Diagrams.- Please state all equations in variable form first before substituting values for the variables.- Please show EVERY step of the solution, including all steps necessary to solve systems of equations.- once answered Correctly will UPVOTE!!arrow_forwardThe cylinder is uniform and has a mass of 5.00 kg. It is released from rest.a) Calculate the least coefficient of friction between the cylinder and the plane for which the cylinder will roll without slipping.b) Calculate the acceleration of the center of mass G of the cylinder if it rolls without slipping.arrow_forwardA tire has a weight of 55 lb and a radius of gyration of kg=0.6 ft. If the coefficients of static and kinetic friction between the tire and plane are µs=0.2 and Hk=0.15, a) Draw the FBD and KD of the tirearrow_forward
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