
The double pulley can be considered as if it were formed by two uniform discs attached to the same axis; where the disk with radius ri = 3 m has a mass of 3 Kg and the large one, with radius re = 9 m, has a mass of 7 Kg. If the pulley has an initial angular velocity of 8 rad/s and foreces F1 = 44 N and F2 = 88 N are applied as shown in the diagram, find the angular velocity after 4 minutes.

The double pulley can be considered as if it were formed by two uniform discs attached...
1.- The double pulley can be considered as if it were formed by two uniform discs attached to the same axis; where the disk with radius ri = 4 m has a mass of 3 and the large one, with radius re = 7 m, has a mass of 8 kg. If the pulley has an initial angular velocity of 5 rad /s and forces F1 and F2 are applied as shown in the diagram (46 N and 100 N,...
Figure shows a uniform disk that can rotate around its center like a merry-go-round. The disk has a radius of 2.00 m and a mass of 20 kg and is initially at rest. Starting at time t = 0, two forces are to be applied tangentially to the rim as indicated, so that at time t=1.25 s the disk has an angular velocity of 250 rad/s counterclockwise. Force F1 has a magnitude of 0.100 N. What is magnitude F2? TE
The double pulley consists of two parts that are attached to one
another. It has a weight of 49 lb and a centroidal radius of
gyration of kO=0.6ft and is turning with an
angular velocity of 20 rad/s clockwise.
(Figure 1)
Part A
Determine the angular velocity of the pulley at the instant the
20-lb weight moves 2 ft downward.
Express your answer to three significant figures and include the
appropriate units.
20 rad/s 0.5ft 1ft В 301b A 20...
Problem 3: A merry-go-round can be considered a uniform disk of mass 145 kg and radius 2.10 m free to rotate about a frictionless axis through its center. A 40.0 kg child stands at the edge and the system is initially rotating at 0.300 rad/sec. The child begins to walk around the edge of the merry-go-round with a velocity of 0.250 m/s relative to the ground in the direction of the rotation. What is the angular velocity of the merry-go-round...
1.A solid uniform sphere of mass 3.7 kg and radius 0.051 m rotates with angular velocity 7.3 rad/s about an axis through its center. Find the sphere’s rotational kinetic energy. 2.A certain pulley is a uniform disk of mass 2.7 kg and radius 0.25 m. A rope applies a constant torque to the pulley, which is free to rotate without friction, resulting in an angular acceleration of 0.12 rad/s2. The pulley starts at rest at time t = 0 s....
(1) A thin stick is glued to a uniform disk to form a composite pulley. Then a non-slip string with two masses is hung over the disk and the system is released from rest. Uniform Disk mass: 4 kg radius: 5 cm Calculate the moment of inertia of the stick plus disk combination and find the angular acceleration of the composite pulley, the linear acceleration of the two hanging blocks, and the tensions in each part of the string (which...
Problem 5. The Figure below show two views of a double pulley system (two pulley wheels attached and sharing an axis of rotation) with radii r = 10 cm and R = 30 cm. The pulleys are solid cylinders with mass 0.5 kg and 3.5 kg. A string is wrapped around the large pulley and attached to a mass m of 10 kg. A string is wrapped around the small pulley and attached to a 900 mass M of 20...
The figure shows a uniform disk that can rotate around its center like a merry-go-round. The disk has a radius of 2.0 cm and a mass of 18 grams and is initially at rest. Starting at time t = 0, two forces are to be applied tangentially to the rim as indicated, so that at time t = 1.2 s the disk has an angular velocity of 300 rad/s counterclockwise. Force F1 has a magnitude of 0.101 N. What is...
The figure shows a uniform disk that can rotate around its center like a merry-go-round. The disk has a radius of 2.00 cm and a mass of 20.0 grams and is initially at rest. Starting at time t = 0, two forces are to be applied tangentially to the rim as indicated, so that at time t = 1.25 s the disk has an angular velocity of 250 rad/s counterclockwise. Force F1 has a magnitude of 0.100 N. What is...
A uniform disk of radius 0.455 m0.455 m and unknown mass is
constrained to rotate about a perpendicular axis through its
center. A ring with the same mass as the disk is attached around
the disk's rim. A tangential force of 0.237 N0.237 N applied at the
rim causes an angular acceleration of 0.129 rad/s2.0.129 rad/s2.
Find the mass of the disk.Why is this wrong?
A uniform disk of radius 0.455 m and unknown mass is constrained to rotate about...