Biomechanies Il BMQ-1a=120°/s75°Vem = 0.2 m/sW = 30°/s0.4 mAn 80 kg man's leg [shank + foot] is shown in swing phase. Anthropometric data given with thisquestion are applicable. The leg centre of mass has a velocity of 0.2 m/s at 75° to vertical asshown and is located 0.4 m above the ground. Its angular velocity is 30 degrees per second in theextension direction, and the angular acceleration is 120 degrees per second² in the flexiondirection. Assume that the datum level for potential energy is the ground level.Greater trochanter340 mmFemoral condyle290 mmMed. & lat. malleolus80 mmXi. What is the kinetic energy of the leg?ii. What is the potential energy of the leg?iii. If the thigh is stationary, describe and explain the likely behavior of the energy componentsof the leg over the next short period of time.iv. Assume the dimensions of the lower limb are as shown. What must be the net torque appliedabout the leg center of mass?

The circuit appears to be a non-inverting operational amplifier (op-amp) circuit. The question…

Answered: BMQ-1 a=120°/s 75° Vem = 0.2 m/s W =…

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

B 400 mm 350 350 m A A slender steel rod ABweighs 2.8 kg and is secured to the rotating shaft by the rod OG and its fittings at O and G (as shown in the figure). The angle B remains constant at 30°, and the entire rigid assembly rotates about the z-axis at the steady rate N = 600 rev/ min.
The maximum total primary force in a three cylinder radial engine with axes 120° to one another stroke length 100 mm, speed 3000 rpm, 1.5 kg of reciprocating mass/cylinder is
Q5/ A car moving along a level road are having the following data: Wheel base of the car = 2.8 m; distance of C.G. from ground surface =600 mm; perpendicular distance of C.G. from rear axle = 1.2 m; speed on level road = 50 km/h; u minimum distance in which the car may be stopped when brakes are applied to the (i) rear wheels only, (ii) front wheels only and (iii) all the four wheels. = 0.6. Determine the
The below figure shows a cylinder of 13 kg mass, 0,3 m radius, undergoing unconstrained planar motion under the action of two forces F1=181 N and F2=76 N as shown. Calculate the angular acceleration of the cylinder in rad/s2. (Hint: I=½mr2) (If the direction of the angular acceleration is CCW, just enter the value of it without any sign. If it has CW direction, enter "-" sign "negative sign" before the value such as "- 12,12". Allowable tolerance for this question is relatively 2 percent.) F2 Fi
A 40-kg disk shown is pin supported at its center. It starts from the rest and rotates to attain an angular velocity of 2 rad/s. The disk is acted upon by a constant couple moment M = 10 N.m clockwise. The spring is originally unstretched and its cord wraps around the rim of the disk. 0.2m ww Ol = a) (10 points) Find the kinetic energy of the disk. b) (30 points) Determine the angle through which the disk rotates
Conservation of Energy Theorem A wheel is rotated without slipping. The mass of the wheel is m-3kg, the radius of the wheel is r-9mm and the radius of gyration at G is kç-8 mm. The distance between C and G is d-3mm. The initial angular velocity is w₁4 rad/s. m WI с 1) Draw the kinetic diagram at the initial position (include w₁ and VG1) 2) Find the formula between w₁ and VG1- 3) Draw the kinetic diagram after the wheel rotates 90deg CCW (include wą and VG2). 4) Find the formula between w₂ and VG2- 5) Use the theorem of conservation of energy to find w₂ and VG2.
Qi:- Four masses AIB.CanddD revolve at equal vadil and are equallyspaced alony a shaf. The mass8 is7Ky mnd the radiiofcand D make angles of 90 and 240' respectively with theradius of8 Find the magnitude of the masses A Cand D and the angular position of Asothat the System.may be Completely balanced. (Ans 5 gi6kg, 467 kg; 205 from mass B inanticlockwise
Need help in 15 minutes. ASAP. A 75-kg block is attached to a cable. The cable is then attached to a rotating assembly with a mass moment of inertia of 18 kg-m^2. The bearing friction applied at the rotating assembly equivalent to a couple of 45 N-m CCW. The block's downward speed is initially at 2 m/s. What is the total work done by the system after the rotating assembly has rotated 1.5 radians CW? What is the speed of the 75-kg block after the rotating assembly rotated 1.5 rad CW?
A uniform rod of mass M = 2.3 kg and length L = 0.2 m, lying on a frictionless horizontal plane, is free to pivot about a vertical axis through one end, as shown. The moment of inertia of the rod about this axis is given by 1/3 ML2. If a force F = 7 N, q = 47° acts as shown, what is the resulting angular acceleration (in rad/s2) about the pivot point?
550 g static mass Time to Complete 60 Revolutions 39 sec Radius of Rotation for the Rotating Mass . 144 m Mass of the Rotating Mass . 449 kg % Difference Between the Static ans Centripetal Forces
The pulley assembly shown in the figure weighs 150 lb and has a centroidal radius of gyrationof 2 ft. The blocks are attached to the assembly by cords wrapped around the pulleys.Determine the acceleration of each body and the tension in each cord.a. Identify the direction of motion in the problem. 1)b. Set up the equations of motion that is required to solve the problem. SO1.5)c. Solve for the unknown variables by substituting the given in the equations of motionthat has been set up previously.
A solid bar of mass m and length L stands vertically on a frictionless table and is then released to fall down. The moment of inertia about the center of mass is Ic = mL²/12. At the moment when the top end B just reaches the ground (0-0), (a) what are the angular velocity and angular acceleration? (b) what is the center-of-mass acceleration? (c) what is the normal force of the ground to end D? Hint: It may be helpful to find out the instant rotation axis. В m. L D

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