Rod OA rotates counterclockwise at a constant angular rate0 = 4 rad/s. The double collar Bis pin-connected together such thatDetermine the magnitude of the force which the circular rod exerts on one of the collars at the instant 0 = 45°.one collar slides over the rotating rod and the other collar slides overthe circular rod described by the equation r = (1.6 cos 0) m Bothcollars have a mass of 0.65 kg. Motion is in the vertical plane.(Figure 1)Express your answer to three significant figures and include the appropriate units.HA?F =- 11.766Figure1 of 1SubmitPrevious Answers Request AnswerX Incorrect; Try Again; 3 attempts remainingr = 1.6 cos 00 = 4 rad/sBPart BDetermine the magnitude of the force that OA exerts on the other collar at the instant 0 = 45°.Express your answer to three significant figures and include the appropriate units.0.8 mHẢ?FOA =11.766

Answered: Image /qna-images/answer/a072f53d-f3b9-4efe-804b-3a9d0b74fee8.jpg

Answered: Rod OA rotates counterclockwise at a…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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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.
The spring constants are k1 = 140N / m, k2 = 240N / m and the unstretched lengths of the springs are 0.3 m. If the 6 kg ring is released from rest from point A, calculate its velocity when it reaches point B. According to the given datum line, the total potential energy (Ve) at point A is A = 1116.86 J and the total elastic potential energy (Ve) at point B is B = 370.8 J. Neglect the dimensions of the bracelet. (L1 = 0.90 m, L2 = 1.80 m, h1 = 1.20 m and h2 = 2.40 m)
The collar has a mass of 5 kg and is moving at 8 m/s when x=0and a force of F=60N is applied to it. The direction θ of thisforce varies such that θ=10x, where x is in meters and θis clockwise, measured in degrees. Determine the speed of thecollar when x=3 m. The coefficient of kinetic friction between thecollar and the rod is μk=0.3.
The smooth surface of the vertical cam is defined in part by the curve r =(0.2 cos θ + 0.3) m. The forked rod is rotating with an angular acceleration of 2rad/s^2, and when θ = 45° the angular velocity is 6 rad/s. Determine the force the camand the rod exert on the 2-kg roller at this instant. The attached spring has a stiffnessk = 100 N/m and an unstretched length of 0.1 m.
The mass m is attached to two equal springs which have bothunstretched length of l. The mass is released from rest at point A.When the mass reaches to point B,a. Determine the velocity of the mass at point B, in terms ofthe parameters m, k, l, h.
The 2 kg BC ring can only move left and right on the frictionless rigid arm. Ring BC is connected to springs with spring constants k = 300 N / m and k ′ = 200 N / m at points AB and CD. The unstretched length of both springs is 600 mm. Since it is known that the springs are not tensioned and starts from rest, find the velocity of the ring BC at the moment when the external force F is applied 200 mm.
A railroad car that is assumed to be rigid and has a mass of 80 Mg ismoving forward at a speed of v = 0.2 m>s when it strikes a steel 200 mmby 200 mm post at A, Fig. a. If the post is fixed to the ground at C,determine the maximum horizontal displacement of its top B due to theimpact. Take Est = 200 GPa.
The boy of mass 42 kg is sliding down the spiral slide at a constant speed such that his position, measured from the top of the chute, has components r = 1.5 m, θ=(0.7t)rad, and z=(−0.5t)m, where t is in seconds. Neglect the size of the boy Determine the r, θ, z components of force F which the slide exerts on him at the instant t = 2 s using scalar notation
A man having the mass of 75 kg sits in the chair which is pin-connected to the frame BC. If the man isalways seated in an upright position, determine the horizontal and vertical reactions of the chair on theman at the instant Θ = 45 ̊. At this instant he has a speed of 6 m/s, which is increasing at 0.5 m/s2
At the instant shown, the spring is undeformed. Determine the change in potential energy if the 20 kg disk (kG = 0.5 m) rolls 2 revolutions without slipping. ½(200)(1.2 π )2 + (20) (9.81) (1.2 π sin 30°) - ½(200)(1.2 π )2 - (20) (9.81) (1.2 π sin 30°) ½(200)(1.2 π )2 - (20) (9.81) (1.2 π sin 30°) ½(200)(1.2 π )2
The 600-kg bar B, originally at rest, is towed over a series of small rollers. The motor M is drawing in the cable at a rate of v = (0.3 t2) m/s, where t is in seconds. Determine the force in the cable when t = 2 s
A car given in Figure 1 has a mass of1500kg. It starts moving from restwith an accelera-tion ofa1= (0.5t)m/s2, wheretis given astime in seconds. It accelerates for15seconds, andthen it travels for30seconds at constantspeed. Then, suddenly the driver of the car sees a wall,and starts breaking with constantacceleration ofa2=−4m/s2for8seconds. Unfortunately,the car hits the wall.a)Drawa−t,v−tands−tgraphs for the car until it collideswith wall, and calculate thespeed (vimpact) that the car hits the wall . Clearly indicate your calculation steps.b)The front bumper of the car can be is modelled as a simple linear spring with constantk, as shown in Figure 1. Using the impact speed,vimpact, that you found in the first part of thequestion above, find the value ofknecessary to stop the car when the bumper is compressed15cm.Note:Neglect the size, and shape of the car, and model the car as a particle.

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