Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
A uniform stick of mass M and length l is suspended horizontally with end B on the edge of a table, and the other end, A is held by hand.
A cylinder of mass M and radius R is rotated in a uniform V grove (which looks like a rectangular block with an 45-45-90 degree triangular prism.
Relate the accelerations of m and the disk, a and A, respectively to the angular acceration of the disk.
The Deck Hatch is in a horizontal plane at depth H below the sea surface. Find the torque about an axis through the hinge, exerted on the hatch by the sea.
A truck whose weight is W, has a wheelbase (distance between front and back wheels) B= 3.2 meters.
A safety device used by workers climbing ladders fixed to high structures consists of a rail attached to the ladder and a sleeve which may slide.
A 12 pole, 60 Hz synchronous machine has an internal rms voltage of 10 kV. Its internal synchronous reactance is 10 ohms.
Draw a hydraulic circuit diagram for the control of the three cylinders supporting the arm (you need not take into account the slewing controls).
A cylindrical fishing reel has a moment of inertia of I = 6.81à?10^-4 kg* m2 and a radius of 3.13 cm. A friction clutch in the reel exerts a restraining torque.
How much of a force must be exerted on the pedal in order to get the rear wheel to peel out (slip). Assume the coefficient of static friction is µs = .7.
What is the rotational inertia of the wheel about an axis through its center of mass and perpendicular to the plane of the wheel?
The closed vessel has water of air pressure 10psi at the surface. One side of the vessel has a spout that is closed by a 6 inch diameter circular gate.
A person exerts a force of 38N on the end of a door 96cm wide. What is the magnitude of the torque if the force is exerted
A three-phase 230 V, 30 hp, 60 Hz, six-pole induction motor is operating with a shaft load that requires 21.3 kW to cross the air gap to the rotor.
If the pulley has a constant frictional torque of 0.05m*N when the system is in motion what is acceleration of masses?
The total friction windage and core losses may be assumed constant at 1340 Watts. The motor is connected directly to a 480 V source.
A 100 hp 60 Hz six pole 460 V three phase wound rotor induction motor develops a full-load torque at 1152 r/min with the rotor short-circuited.
A solid shaft 125mm did transmits 600kW at 300 revolutions/minute. It is also subjected to a bending moment of 9kN-m and to an end thrust.
In the figure the winding drum of a lift is driven by an electric motor via a gearbox having a reduction ratio of 20:1.
Find the maximum torsional shear stress in a 75 mm diameter shaft transmitting 40 KW power at 1.33 r/s if the maximum twisting moment.
For the beam shown, plot the shear and moment diagrams. Label each diagram with shear and moment values at the points of interest.
A force is applied to the end of a 2ft long uniform board weighing 50lbs, in order to keep it horizontal, while it pushes against a wall at the left.
A 10 kg solid disk of radius 0.50 m is rotated about an axis through its center. If the disk accelerates from rest to an angular speed of 3.0 rad/s.
Determine the thickness of the elastic core x assuming the material is elastic perfectly plastic with a yield strength of 240MPa.
A force of 30N is applied perpendicularly to the face of a door at a distance of 1.5 m from the hinge of the door. Find the torque on the door about its hinge: