I need the answer as soon as possible Rear inner wheel = 3690.5 N ; Rear outer wheel = 6658.3 NJA four wheel trolley car of total mass 2000 kg running on rails of 1 m gauge, rounds a curve of 25 mradius at 40 km / h. The track is banked at 10°. The wheels have an external diameter of 0.6 m andeach pair of an axle has a mass of 200 kg. The radius of gyration for each pair is 250 mm. The heightof C.G. of the car above the wheel base is 0.95 m. Allowing for centrifugal force and gyroscopiccouple action, determine the pressure on each rail.A 22 tonne racing car has a wheel hase of 2 4m and a track of 14 m from the rear axle The equiva.13.[Ans. 4328 N ; 16 704 N]14

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Answered: A four wheel trolley car of total mass…

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 turning-moment diagram for an engine consists of two isosceles triangles each with a height equivalent to a torque of 16kNm. The bases of the triangles lie between ? = 0 ? and ? = 180 , and ? = 180? and ? = 360? respectively. If the engine is to rotate with a mean speed of 130 rpm, calculate the following: the mass of the flywheel having a radius of gyration 1.1m to restrict the fluctuation of speed to +1.5% of the mean speed.
The mass of flywheel of an engine is 8 tonnes and the radius of gyration is 1.8 metres. It is found from the turning moment diagram that the fluctuation of energy is 100 kN-m. If the mean speed of the engine is 150 r.p.m., find the maximum and minimum speeds.
The connecting rod of a horizontal reciprocating engine is 400 mm and length of the stroke is 200mm. The mass of the reciprocating parts is 125 kg and that the connecting rod is 100 kg. The radius of gyration of the connecting rod about an axis through the centre of gravity is 120 mm and the distance of centre of gravity of the connecting rod from big end centre is 160 mm. The engine runs at750 r.p.m. Determine graphically the torque exerted on the crankshaft when the crank has turned 30° from the inner dead centre.
A flywheel of mass 0.9 ton is fitted to a multi cylinder engine, which runs at a mean speed of 380 r.p.m. If the speed varies from 9 % above the mean to 6 % below it and the fluctuation energy is 1100 kN-cm, find (i) mass moment of inertia of the wheel and (ii) radius of Gyration.
The total mass of the Baja car and driver, including the wheels, is 250 kg. Each pair of 58-cm radius wheels and the axle has a total mass of 20 kg and a mass moment of inertia of 2.9 kg·m2 . The center of gravity of the driver and Baja body (not including the wheels) is located x = 0.70 m from the rear axle A and y = 0.55 m from the ground. The wheelbase is L = 1.60 m. If the engine exerts a torque of 500 N·m on the rear axle, what is the car’s acceleration?
A gear engine automobile is traveling along a curved track of 120m radius. Each of the four wheels has a moment of inertia of 2.3 kg m2 and an effective diameter of 600 mm. The rotating parts of the engine have a moment of inertia of1.25kg m2 the gear ratio of the engine to back wheel is 3:2.The engine axis is parallel to the gear axle and the crank shaft rotates in the same sense as the road wheels. The mass of the vehicle is 2050 kg and the center of mass is 520 mm above the road level. The width by the track is 1.6m, what will be the limiting speed of the vehicle if all the four wheels maintain contact with the road surface (b) Explain the function of a flywheel from a crank effort diagram.
A rigid body is made of three identical thin rods, each of mass m and length L= 0.6 m,attached together in the form of an H. The body is allowed to fall from the horizontalposition, rotating around one of the legs of the H.a) What is the rotational inertia of the H, in terms of m and L?b) What will be the angular speed of the H when it is oriented vertically?
Two disks A and B, of mass m 1 kg each and of radius 10 cm, are placed on a horizontal table. The disk A is launched in translation with a speed of 10 m/s along the y axis, B is at rest. The coefficient of kinetic friction between the disks is 0.5. The line of impact is at an angle of 60° with the x-axis. The moment of inertia of each disk around its center of mass is I = 1₂ = 0.005 kg.m². The coefficient of restitution between the two disks is e=0.6. a) Determine the velocities of the centers of the two disks, just after the impact. b) Calculate the angular velocities of the disks, just after the impact. c) Calculate the energy loss during the impact.
A four wheeled trolley car has a total mass 3000kg. Each axle with its two wheels and gears has a total moment of inertia of 32kgm2. Each wheel is of 400mm radius. The centre distance between the two wheels on an axle is 1.4m. Each axle is driven by a motor with a speed ratio of 1.3. Each along with it gear has a moment of inertia of 16kgm2 and rotates in the opposite direction to that of the axle. The centre of mass of the car is 1m above the rails. Calculate the limiting speed of the car when it has to travel around a curve of 250m radius without the wheels leaving the road.
1. As shown in the figure, a uniform circular ring with mass M, radius R, and moment of inertia lcM= D MR^2 performs pure rolling motion along the slope with 0 inclination angle at rest. ) What is the acceleration AcM of the center of mass of the circular ring?
The spool has a weight of 40 lblb and a radius of gyration kOkOk_O = 0.4 ftft . A cord is wrapped around its inner hub and the end subjected to a horizontal force PPP = 8 lblb . Assume the spool rolls without slipping. (Figure 1) Determine the spool's angular velocity, measured clockwise, in 5 ss starting from rest.
A rotating shaft carries four unbalanced masses 18 kg, 14 kg, 16 kg and 12 kg at radii 50 mm, 60 mm, 70 mm and 60 mm respectively. The 2nd, 3rd and 4th masses revolve in planes 80 mm, 160 mm and 280 mm respectively measured from the plane of the first mass and are angularly located at 60°, 135° and 270° respectively measured clockwise from the first mass.The shaft is dynamically balanced by two masses, both located at 50 mm radii and revolving in planes mid-way between those of 1st and 2nd masses and midway between those of 3rd and 4th masses. Determine, balancing mass by drawing couple polygon and their respective angular position graphically.

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