A 10 kg disc is acted upon an external force and a couple as found in the figure.The Disc was initially at rest.Assume that the mass moment of inertia of the disc is 0.25 kg.m²R = 0.5 mHorizontal Reaction force at O after 2 seconds. (N)Determine the angular velocity of the disc after 2 seconds (rad/s) (CW)Vertical Reaction force at O after 2 seconds. (N)M = 20 N.mF = 200 NChoose...Choose... #ChooseO

Mass of disk,m=10 kgRadius of disk,R=0.5 mMoment of inertia of disk,ID=0.25 kg.m2F=200 NM=20Nm

A 10 kg disc is acted upon an external force and a couple as found in the figure. The Disc was initially at rest. Assume that the mass moment of inertia of the disc is 0.25 kg.m² R = 0.5 m M = 20 N.m F = 200 N Horizontal Reaction force at O after 2 seconds. (N) Choose... # Determine the angular velocity of the disc after 2 seconds (rad/s) (CW) Choose... # Vertical Reaction force at O after 2 seconds. (N) Choose O

A 10 kg disc is acted upon an external force and a couple as found in the figure. The Disc was initially at rest. Assume that the mass moment of inertia of the disc is 0.25 kg.m² R = 0.5 m M = 20 N.m F = 200 N Horizontal Reaction force at O after 2 seconds. (N) Choose... # Determine the angular velocity of the disc after 2 seconds (rad/s) (CW) Choose... # Vertical Reaction force at O after 2 seconds. (N) Choose O

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

See similar textbooks

Similar questions

A uniform solid disk of mass 2.0 kg and radius 0.30 m is initially at rest. It is then rotated by a constant torque about an axis through its center of mass until it reached an angular speed of 3.0 rad/s. What is the work done by the constant torque? The moment of inertia through the center of mass is (2/5)MR^2.
The plane of the figure represents a horizontal plane. A thin rigid rod at rest is pivoted without friction about a fixed vertical axis passing through O. Its mass moment of inertia is equal to 0.1kg.cm² about O. A point mass of 0.001 kg hits it normally at 200 cm/s at the location shown, and sticks to it. Immediately after the impact, the angular velocity of rad/s (in integer). the rod is O O 10 cm 200 cm/s O
A car is moving on a curved horizontal road of radius 100 m with a speed of 20 m/s. The rotating masses of the engine have an angular speed of 100 rad/s in clockwise direction when viewed from the front of the car. The combined moment of inertia of the rotating masses is 10 kg-m². The magnitude of the gyroscopic moment (in N-m) is
The uniform disk is initially at rest and has a mass of 24 kg. Its moment of inertia about its mass center is given by I =mr². A 100 N (constant) force F acts upon it as shown and it rolls without slip on the horizontal surface. Find: a) The velocity of its mass center G after it has moved 1.8 m. b) Include a detailed free body diagram(s)! f-100 N
Given: A uniform slender rod is at rest upon a frictionless horizontal surface when a force (F) is applied in the direction shown. Assume that the rod has mass m and length L. A L Horizontal Plane Given that F = 74lb, L = 7.1 ft, mg = 4.6lb, and 0 = 73deg What is the component of acceleration of the mass at point G in the i direction? Answer: Check What is the component of acceleration of the mass at point G in the j direction? Answer: Check What is the component of angular acceleration of the mass in the k direction? (remember your signs) Answer: Check
2 An object is made of two identical uniform 3m long rods connected as shown. The total mass of the system is 60kg. The object can rotate in the plane of the page about a fixed axis at Point A. There is a friction moment of 500 N m about point A. a. What is the mass moment of inertia of the object about Point A? b. If the object is released from rest in the orientation shown, what will be is initial angular acceleration? stationary Mf A = total mass= 60 kg 500 Nm 3 m 3 m g
Blocks A and B shown in the figure have masses of 5 kg and 10 kg respectively.If the pulley is treated as a 3 kg solid disk with a 15 cm radius, determine the acceleration of the block A. Disregard the rope mass and any slip on the pulley.Consider that the moment of inertia of the pulley is given by Ip = (1/2)mr² in which m is the mass of the pulley and r is of radius the pulley.
A solid homogeneous cylinder of radius r = 0.5m and mass of m = 100kg is rolled up a 0 20° incline by a force of P = 350N starting from rest. Compute the velocity vG of the center of mass of the cylinder into 6 seconds of motion. Note: Mass moment of inertia about G is given as IG = (1/2)mr². W,a v,a G m Your answer: 32.2 m/s 80.6 m/s 364.5 m/s 9.5 m/s 444.5 m/s 73.0 m/s
A drum can rotate about a fixed-point O. The A block is attached to a cord wrapping around the drum. The mass of the drum is md = 100kg and the radius is r = 0.5 m. The radius of gyration of the drum about point O is ko=0.3 m. The mass of the block is mb= 20kg. The block is released from rest. The acceleration due to gravity g=9.81 m/s2 . (2) ) If the mass moment of inertia of the drum about point O is IO, and the angular acceleration of the drum is α, select the correct moment equation of the whole drum-block system about the point O._____________ A. mbgr=rmb(rα) B. 0 C. mbgr=Ioα +rmb(rα) D. mbgr=Ioα
A rotating shaft carries four masses A, B, C and D which are radially attached to it. The mass centres are30 mm, 38 mm, 40 mm and 35 mm respectively from the axis of rotation. The masses A, C and D are 7.5kg, 5 kg and 4 kg respectively. The axial distance between the planes of rotation of A and B is 400 mmand between B and C is 500 mm. The masses A and C are at right angles to each other. Find for acomplete balance; determine (a) the angles between the masses B and D from A, (b) the axial distancebetween the planes of rotation of C and D, (c) the magnitude of mass B.
Mechanical Engineering Question
The rotor of a turbojet engine of an aircraft has a mass 180 kg and polar moment of intertia 10 kg.m2 about the rotor axis. The rotor rotates at a constant speed of 1100 rad/s in the clockwise direction when viewed from the front of the aircraft. The aircraft while flying at a speed of 800 km per hour takes a turn with a radius of 1.5 km to the left. The gyroscopic moment exerted by the rotor on the aircraft structure and the direction of motion of the nose when the aircraft turns, are