A vehicle having a wheel baseof 3.2 m has its centre of massat 1.4 m from the rear wheelsand 55 mm from the groundlevel. It moves on a level ground at a speed of54 km/h. Determine the distance moved by the carbefore coming to rest on applying the brakes to the(i) rear wheels(ii) front wheels(iii) all the four wheelsThe coefficient of friction between the tyresand the road is 0.5.ve

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Answered: A vehicle having a wheel base of 3.2 m…

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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Determine the maximum speed, If the friction at the sleeve is equivalent of 24 N of load.The arms of a Porter governor are each 210mm long and pivoted on the governor axis. The mass of each ball is 7 kg and the mass of the central sleeve is 36 kg. The radius of rotation of the balls reaches a value of 168mm for maximum speed and draw the governor maximum position line diagram
A garage door is mountedon an overhead rail (Fig.).The wheels at A and B have rustedso that they do not roll, but ratherslide along the track. The coefficientof kinetic friction is 0.52. The distancebetween the wheels is 2.00 m,and each is 0.50 m from the verticalsides of the door. The door is uniformand weighs 950 N. It is pushedto the left at constant speed by a horizontalforce F S , that is applied as shown in the figure. (a) If the distanceh is 1.60 m, what is the vertical component of the force exerted on eachwheel by the track? (b) Find the maximum value h can have withoutcausing one wheel to leave the track.
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A smooth can C, having a mass of 5 kg, is lifted from a feed at A to a ramp at B by a rotating rod. The rod maintains a constant angular velocity of θ˙ = 0.5 rad/s, Neglect the effects of friction in the calculation and the size of the can so that r=(1.2cos⁡θ)m. The ramp from A to B is circular, having a radius of 600 mm. (a) Determine the magnitude of the force which the rod exerts on the can at the instant θθ = 30∘∘. Express your answer to three significant figures and include the appropriate units.
15 kg boxes are being transported around a curve via a conveyor belt as shown to the right. Assuming the curve has a radius of 3 meters and the boxes are traveling at a constant speed of 1 meter per second, what is the minimum required coefficient of friction needed to ensure the boxes don’t slip as they travel around the curve?
In a Porter governor, the mass of the central load is 18 kg and the mass of each ball is 2 kg. The toparms are 250 mm while the bottom arms are each 300 mm long. The friction of the sleeve is 14 N. Ifthe top arms make 45° with the axis of rotation in the equilibrium position, find the range of speed ofthe governor in that position.
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Determine the maximum acceleration that can be achieved by the car without having the front wheels A leave the track or the rear drive wheels B slip on the track. The coefficient of static friction is ??= 0.9. The car's mass center is at G, and the front wheels are free to roll. Neglect the mass of all the wheels.
Q 1: Determine the maximum possible acceleration on a level road, assuming (a) fourwheeldrive, (b) rear-wheel drive, (c) front-wheel drive. Assuming the coefficient of static frictionbetween the tires and the road is 0.8.
The block B start from rest and slides on the 30 wedge A , which is supported by a horizontal surface . Neglecting friction
Block A in Fig. has mass 4.00 kg, and block B hasmass 12.0 kg. The coefficient of kinetic friction between block Band the horizontal surface is 0.25. (a) What is the mass of block C ifblock B is moving to the right and speeding up with an accelerationof 2.00 m/s2? (b) What is the tension in each cord when block B hasthis acceleration?
Consider the system of two blocks. Thereis no friction between block A and the tabletop. The mass of block B is5.00 kg. The pulley rotates about a frictionless axle, and the light ropedoesn’t slip on the pulley surface. The pulley has radius 0.200 m andmoment of inertia 1.30 kg . m2. If the pulley is rotating with an angularspeed of 8.00 rad/s after the block has descended 1.20 m, what is themass of block A?

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