During a kick (a concentric movement), what is the net joint torque power with TMTC = 20 Nm, with a Wshank of 2.3 rad/s and a Wthigh of 1.1 rad/s
During a kick (a concentric movement), what is the net joint torque power with TMTC = 20 Nm, with...
11. During running the knee joint generates 60 Nm of extensor torque during the same interval of the stance phase when the knee joint moved from 8.02 degrees of flexion to 14.9 degrees of flexion in 0.02 sec. Determine the power of the knee joint muscles.
An automobile engine develops a torque of 250 Nm at 3500 RPM. What is the power of the engine?
1. A solid cylinder has a mass of 5 kg and a radius of 30 cm. A torque of 40 Nm is applied to the cylinder. What will be its angular acceleration? a) 37.5 rad/s2 b) 59.3 rad/s2 c) 89.0 rad/s2 d) 178 rad/s2 2. When an object is in static equilibrium a) the net force on it is zero b) the net torque on it is zero c) the net force and net torque are zero d) not enough...
A torque of 2.00 Nm acts on a cylindrical which has a moment of inertia 0 25 kg m^2. If the drum was initially at rest, what is its angular speed after 10 seconds? Select one: O a. 80 rad/s O b. 40 rad/s O c. 20 rad/s O d. 8 rad/s The maximum speed of a car without skidding in a roundabout of radius 30 m is 12.1 m/s. The coefficient of maximum static friction between the tire and...
A separated excited dc machine is delivering 50% rated torque at 20% rated speed. Find the efficiency of the motor at this operating point. The details of the machine are as follows: 1500 kW(rated output power), 600V(rated voltage), 2650A (rated current) 600rpm (rated speed), brush voltage drop = 2V, Filed power input = 50 kW, Ra=3.645 mOhm, La=0.1 mH, Machine frictional torque coefficient = 15 Nm/rad/s. Field current is constant and armature voltage is variable.
A ventilation fan with a moment of inertia of 0.034 kgm2 has a net torque of 0.11 Nmapplied to it. If it starts from rest, what kinetic energy will it have 8.0 s later?11 J is the correct answer.
what net torque must be applied
1. A ball is rolled horizontally off a table with an initial speed of 0.24 m/s. A stop watch measures the ball's trajectory time from table to the floor to be 0.30 s. How far away from the table does the ball land? (g=9.8 m/s2 and air resistance is negligible) a. 0.055 m b. 0.072 m c. 1.2 m d. 1.9 m 2. A disk has a moment of inertia of 3.0 x 10-4...
The graph (in red) shows a plot of the torque-speed characteristic of a motor running at 20 V Position the movable line to show what the characteristic would look like with a 25 V supply. Use the mouse or arrow keys to move the circular markers at the ends of the line. Speed rad/s 10,000 9,000 8,000 7,000 6,000 5,000 4,000 3,000 2,000 1,000 엉-10-20-30-40 50- Torque Nm 60 70 80 90 100
The graph (in red) shows a plot...
hectures Of 10.5 Cheder/ Homework: HW11: Parallel Axis Theorem And Torque & Rotational Dynamics Opcion Rotating Cylinder Score Thred Asmall, solid cylinder with mass and radius om starts froen rest and rotates without friction about an als through its center of mass. The rotation and is feed so that the center of mass of the cylinder does not move as the cylinder rotates. A string is wrapped around the circunference of the cylinder and is pulled using a constant force...
Problem 1 (20 pts) In class, you were given the following expression for electromagnetic torque for a two-pole round- rotor synchronous machine: T = Lai'salias – 0.5ibs – 0.5ics) cos 6, +3/2libs – ick) sin 0, - (1) By assuming that is, ib. ic constitute a balance set of sinusoidal waveforms (e.gia(t) = V21 cos(wet), ibs(t) = V2I cos(wet- 27/3), and is (t) = 21 cos(wet + 2/3)]; i t is constant by definition in steady state, and r(t) =...