Homework Answers
In the system shown below, there is a block of mass M = 3.6 kg resting...
In the system shown below, there is a block of mass M = 3.6 kg resting on a horizontal ledge. The coefficient of kinetic friction between the ledge and the block is 0.25. The block is attached to a string that passes over a pulley, and the other end of the string is attached to a hanging block of mass m = 2.2 kg. The pulley is a uniform disk of radius 7.9 cm and mass 0.66 kg. Find the...
Two objects, of masses m1 = 470.0 g and m2 = 535.5 g, are connected by...
Two objects, of masses m1 = 470.0 g and
m2 = 535.5 g, are connected by a string of
negligible mass that passes over a pulley with frictionless
bearings. The pulley is a uniform 55.0-g disk with a radius of 4.32
cm. The string does not slip on the pulley.
(a) Find the accelerations of the objects.
m/s2
(b) What is the tension in the string between the 470.0-g block and
the pulley? (Round your answer to four decimal places.)...
(1) A thin stick is glued to a uniform disk to form a composite pulley. Then...
(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 2: (6 pts) ) Two masses are connected by a string as shown in the figure below. Mass mB = 2.00 kg moves up while mA 12.0 kg moves down a frictionless inclined. The pulley is frictionless...
Problem 2: (6 pts) ) Two masses are connected by a string as shown in the figure below. Mass mB = 2.00 kg moves up while mA 12.0 kg moves down a frictionless inclined. The pulley is frictionless and has a mass M-2.00 kg, and a radius R-0.200 m (1= ½ MR) (a) Draw the free body diagram for the masses and pulley separately. (b) Use Newton's Second Law of Motion to find the resulting acceleration (2pts) (2pts) (2pts) of...
2. A uniform, solid cylinder with mass M and radius 2R is on an incline plane with angle of inclination of 6. A str...
2. A uniform, solid cylinder with mass M and radius 2R is on an incline plane with angle of inclination of 6. A string is attached by a yoke to a frictionless axle through the center of the cylinder so that the cylinder can rotate about the axle. The string runs over a disk-shaped pulley with mass M and radius R that is mounted on a frictionless axle through its center. A block of mass M is suspended from the...
Find the acceleration of the hanging mass if the string does not slip on the sphere or the disk
As shown in the figure below, a uniform solid sphere rotates about a vertical support on a frictionless bearing. A light cord passes around the equator of the sphere, over a uniform solid disk, and is attached to a hanging mass. The sphere, disk and hanging mass all have equal mass M. The sphere and disk have the same radius R.Find the acceleration of the hanging mass if the string does not slip on the sphere or the disk. Express...
Suppose you are a space traveler, and you land on the surface of a strange new planet
Suppose you are a space traveler, and you land on the surface of a strange new planet. As stated in your Starfleet Manual, your first job is to measure the acceleration due to gravity, g, on this planet. You construct an "Atwood machine", which consists of two masses connected to a pulley by a string of negligible mass, as shown in the figure. One of the masses is m1 = 50.0 kg and the other is m2 = 39.0 kg....
The system shown in the figure below consists of a mass M = 3.3-kg block resting...
The system shown in the figure below consists of a mass M = 3.3-kg block resting on a frictionless horizontal ledge. This block is attached to a string that passes over a pulley, and the other end of the string is attached to a hanging m = 1.7-kg block. The pulley is a uniform disk of radius 8.0 cm and mass 0.60 kg. (a) What is the acceleration of each block? acceleration of M = 3.3 kg _____ m/s2 acceleration...
Problem 2; The 15.0 kg mass on a 40.0° frictionless inclined plane is tied to a...
Problem 2; The 15.0 kg mass on a 40.0° frictionless inclined plane is tied to a string that is wrapped around a frictionless pulley (disk, I = MR2) of mass 12.0 kg and radius 9.00 cm. What is the angular acceleration of the disk after the 15.0 kg mass is released?
In the figure below, a rope is wound around a horizontal disk (Ma 3.10 kg and...
In the figure below, a rope is wound around a horizontal disk (Ma 3.10 kg and Ra 17.0 cm). passed across a pulley (Ic 50.0 kg cm2 and Re 8.00 cm), and connected to a hanging 4.00 kg mass. Initially, the mass is held in place, and the system is at rest. The mass is then released and descends in response to the force of gravity. The rope does not slip on the pulley or the horizontal disk. Both the...
Two objects, of masses m1 = 470.0 g and
m2 = 535.5 g, are connected by a string of
negligible mass that passes over a pulley with frictionless
bearings. The pulley is a uniform 55.0-g disk with a radius of 4.32
cm. The string does not slip on the pulley.
(a) Find the accelerations of the objects.
m/s2
(b) What is the tension in the string between the 470.0-g block and
the pulley? (Round your answer to four decimal places.)...
(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 2: (6 pts) ) Two masses are connected by a string as shown in the figure below. Mass mB = 2.00 kg moves up while mA 12.0 kg moves down a frictionless inclined. The pulley is frictionless and has a mass M-2.00 kg, and a radius R-0.200 m (1= ½ MR) (a) Draw the free body diagram for the masses and pulley separately. (b) Use Newton's Second Law of Motion to find the resulting acceleration (2pts) (2pts) (2pts) of...
2. A uniform, solid cylinder with mass M and radius 2R is on an incline plane with angle of inclination of 6. A string is attached by a yoke to a frictionless axle through the center of the cylinder so that the cylinder can rotate about the axle. The string runs over a disk-shaped pulley with mass M and radius R that is mounted on a frictionless axle through its center. A block of mass M is suspended from the...
Problem 2; The 15.0 kg mass on a 40.0° frictionless inclined plane is tied to a string that is wrapped around a frictionless pulley (disk, I = MR2) of mass 12.0 kg and radius 9.00 cm. What is the angular acceleration of the disk after the 15.0 kg mass is released?
In the figure below, a rope is wound around a horizontal disk (Ma 3.10 kg and Ra 17.0 cm). passed across a pulley (Ic 50.0 kg cm2 and Re 8.00 cm), and connected to a hanging 4.00 kg mass. Initially, the mass is held in place, and the system is at rest. The mass is then released and descends in response to the force of gravity. The rope does not slip on the pulley or the horizontal disk. Both the...
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