*22-28. The platform AB when empty has a mass of 400 kg.center of mass at G1, and natural period of oscillation71 = 2.38 s. If a car, having a mass of 1.2 Mg and center ofmass at G2, is placed on the platform, the natural periodof oscillation becomes 7, = 3.16 s. Determine the momentof inertia of the car about an axis passing through G2.1.83 m2.50 m

Write the given data: mp=400kgmc=1.2 Mg=1200 kg1000 kg1 Mgl1=2.50 ml2=1.83 mτ1=2.38 sτ2=3.16 s

Answered: *22-28. The platform AB when empty has…

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

18-9 The pendulum consists of a 10 kg uniform disk and a 3 kg uniform slender rod. If it is released from rest in the position shown, determine its angular from velocity when it rotates clock wise .
19-26 The double pulley consists of two wheels which are attached to one another and turn at the same rate. The pulley has a mass of 15 kg and a radius of gyration of = 110 mm. if the block at A has a mass of 40 kg and the container at B has a mass of 85 kg, including its contents, determine the speed of the container when t = 3s after it is released from rest.
The rod AB has a mass of 20 kg，the mass of the piston A and B are both 5kg. Piston B is attached to a spring of constant k = 1200 N/m. The spring is un-stretched when θ = 0. If the rod is released from rest whenθ = 45° Please find÷ (1) the moment inertia of the rod AB about its mass center G (2)The angular velocity of rod AB at θ = 0° (3）the velocity of piston A at θ = 0° (4) the velocity of Piston B at θ = 0° (hint: regard the piston A, B, rod as a system, during the motion, except the spring, the weight of rod AB, the weight of pistonB also does work). g = 9.8 m/s2
The dynamic system is initially at rest. The rod has a mass of m=0.5kg and a length of L=1m. The CG of the rod is located at G, and the rod is rotated about the point O, a distance, h=0.25m, away from point G. At the time of releasing find a. Acceleration at the CG (point G) b. Reaction at O (Use moment of inertia of the rod I= mL2/12)
18-37 The spool has a mass of 20 kg and a radius of gyration of = 160 mm. if the 15 kg block A is released from rest, determine the velocity of the block when it descends 600 mm.
Determine the rate of spin if both panels are raised and reach the upward position, θ = 0∘∘, at the same instant
18-54 The slender 6 kg bar AB is horizontal and at rest and the spring is unstretched. Determine the stiffness K of the spring so that the motion of the bar is momentarily stopped when it has rotated clock wise after being released.
Determine the velocities on the center point C and the point E on a rim of the disk if (a) it slip at point A (b) it doesn't slip at point A.
While the system shown is in equilibrium, a counter-clockwise torque T =T0sin(ωt) N-m(with T0 = 226.6 and ω=7) is applied to teh disk. What is the disk angular speed ω0 = ? in rad/s at time t = 4.2 sec? ( I = 0.2 kg.m2, b = 7.8 N-m-s/r, k = 1,504 N/m, r = 0.52m )
Determine the mass of the R-134a.
To increase the wheel's moment of inertia, I mount a thin hoop of mass m =2.11kg to its rim, then restart it spinning at the same rate. The precession speed decreases to Ω(1)=1.21s^−1. What is the mass of the wheel without the hoop?
The 150-kg pendulum has a center of mass at G and a radius of gyration about G of kG = 0.25m, as shown in Figure 2. Determine the horizontal and vertical components of reaction on thebeam by the pin A and the normal reaction of the roller B at horizontal direction when thependulum is rotating at 5 rad/s. Neglect the weight of the beam and the support. If the normalreaction of the roller B at horizontal direction change to vertical direction, determine thehorizontal and vertical components of reaction on the beam by the pin A.

SEE MORE QUESTIONS

Recommended textbooks for you

Elements Of Electromagnetics

Mechanical Engineering

ISBN:

9780190698614

Author:

Sadiku, Matthew N. O.

Publisher:

Oxford University Press

Mechanics of Materials (10th Edition)

Mechanical Engineering

ISBN:

9780134319650

Author:

Russell C. Hibbeler

Publisher:

PEARSON

Thermodynamics: An Engineering Approach

Mechanical Engineering

ISBN:

9781259822674

Author:

Yunus A. Cengel Dr., Michael A. Boles

Publisher:

McGraw-Hill Education

Elements Of Electromagnetics

Mechanical Engineering

ISBN:

9780190698614

Author:

Sadiku, Matthew N. O.

Publisher:

Oxford University Press

Mechanics of Materials (10th Edition)

Mechanical Engineering

ISBN:

9780134319650

Author:

Russell C. Hibbeler

Publisher:

PEARSON

Thermodynamics: An Engineering Approach

Mechanical Engineering

ISBN:

9781259822674

Author:

Yunus A. Cengel Dr., Michael A. Boles

Publisher:

McGraw-Hill Education

Control Systems Engineering

Mechanical Engineering

ISBN:

9781118170519

Author:

Norman S. Nise

Publisher:

WILEY

Mechanics of Materials (MindTap Course List)

Mechanical Engineering

ISBN:

9781337093347

Author:

Barry J. Goodno, James M. Gere

Publisher:

Cengage Learning

Engineering Mechanics: Statics

Mechanical Engineering

ISBN:

9781118807330

Author:

James L. Meriam, L. G. Kraige, J. N. Bolton

Publisher:

WILEY

SEE MORE TEXTBOOKS