Each of the four bars shown can rotate freely in the horizontal plane about its left end. For which diagrams is the n...
Each of the four bars shown can rotate freely in the horizontal
plane about its left end. For which diagrams is the net torque
equal to zero?
Homework Answers
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Each of the four bars shown can rotate freely in the horizontal plane about its left end. For which diagrams is the n...
Each meterstick shown below is free to rotate around its left end. Each meter stick has...
Each meterstick shown below is free to rotate around its left
end. Each meter stick has lines in the picture at 0.25m, 0.5m,
0.75m, and the right end is 1m.
More than one answer is possible.
a. Which cases have a net torque of zero?
b. Which cases have a non-zero change in angular momentum?
8A 8 1 (2N 20
Each of the disks in (Figure 3) has radius r. Each disk can rotate freely about the axis passing through the center...
Each of the disks in (Figure 3) has radius
r. Each disk can rotate freely about the axis passing
through the center of the disk perpendicular to the plane of the
figure, as shown. For which diagrams is the angular momentum
constant? In your calculations, use the information provided in the
diagrams.
Type the letters corresponding to the correct diagrams. For
instance, if you think that only diagrams A, B, and C answer the
question, type ABC.
Part I. Use the four diagrams below to answer some questions about torque. Each of...
Part I. Use the four diagrams below to answer some questions about torque. Each of the arrows represents a force of 50 newtons applied to the edge of a wheel. Each wheel can rotate around an axis located at the center of the wheel and pointing in and out of the page. The radius of each wheel is 0.1 meter. Answer A, B, C, D, or none to each question. 1. Which wheel will not rotate at all when...
4. Consider a circular object that is free to rotate about its central axis. The object...
4. Consider a circular object that is free to rotate about its central axis. The object is sitting horizontally on ice, so that ction is negligible. (Think of a hockey rotating, or more precisely to change its rate of rotation? Is it a net force, which is the cause of changes in linear motion, or is it something else? puck.) An i is, what exactly causes such an object to start mportant ues ion The diagrams below show such an...
One end of a meter stick is pinned to a table, so the stick can rotate...
One end of a meter stick is pinned to a table, so the stick can rotate freely in a plane parallel to the tabletop. Two forces, both parallel to the tabletop, are applied to the stick in such a way that the net torque is zero. The first force has a magnitude of 2.00 N and is applied perpendicular to the length of the stick at the free end. The second force has a magnitude of 6.00 N and acts...
A constant-density cylinder of mass 0.5 kg and radius 4 cm can rotate freely about an...
A constant-density cylinder of mass 0.5 kg and radius 4 cm can rotate freely about an axis through its center. It has thread wound around an attached axle of radius 0.5 cm that also runs through its center (Fig. as shown) The thread is attached to a mass of 1 kg, which slides down an inclined plane of angle ф-300 with an acceleration of 0.1 m/s. a) Draw a free body diagram of the system by PROBLEM 4: (12pts) R....
One end of a meter stick is pinned to a table, so the stick can rotate...
One end of a meter stick is pinned to a table, so the stick can rotate freely in a plane parallel to the tabletop. Two forces, both parallel to the tabletop, are applied to the stick in such a way that the net torque is zero. The first force has a magnitude of 2.00 N and is applied perpendicular to the length of the stick at the free end. The second force has a magnitude of 6.00 N and acts...
As shown in the figure below, we have a square one meter on a side that is free to rotate about an axis perpendicular to the plane of the square
As shown in the figure below, we have a square one meter on a side that is free to rotate about an axis perpendicular to the plane of the square, a distance a from one side and a distance b from the other side.Two forces, F1 and F2 are applied to diagonally opposite corners, and act along the sides of the square, first as shown in case (t) and then as shown in case (ii) of the drawing. In each...
A string is wrapped around a uniform solid cylinder of radius r, as shown in (Figure 1). The cylinder can rotate freely...
A string is wrapped around a uniform solid cylinder of radius r, as shown in (Figure 1). The cylinder can rotate freely about its axis. The loose end of the string is attached to a block. The block and cylinder each have mass m. Part A. Find the magnitude α of the angular acceleration of the cylinder as the block descends. Express your answer in terms of the cylinder's radius r and the magnitude of the acceleration due to gravity...
A uniform thin rod of length 0.65 m and mass 3.4 kg can rotate in a horizontal plane about a vert...
A uniform thin rod of length 0.65 m and mass 3.4 kg can rotate
in a horizontal plane about a vertical axis through its center. The
rod is at rest when a 3.8 g bullet traveling in the rotation plane
is fired into one end of the rod. As viewed from above, the
bullet's path makes angle θ = 60° with the rod. If the
bullet lodges in the rod and the angular velocity of the rod is
11.0 rad/s...
Each meterstick shown below is free to rotate around its left
end. Each meter stick has lines in the picture at 0.25m, 0.5m,
0.75m, and the right end is 1m.
More than one answer is possible.
a. Which cases have a net torque of zero?
b. Which cases have a non-zero change in angular momentum?
8A 8 1 (2N 20
Each of the disks in (Figure 3) has radius
r. Each disk can rotate freely about the axis passing
through the center of the disk perpendicular to the plane of the
figure, as shown. For which diagrams is the angular momentum
constant? In your calculations, use the information provided in the
diagrams.
Type the letters corresponding to the correct diagrams. For
instance, if you think that only diagrams A, B, and C answer the
question, type ABC.
Part I. Use the four diagrams below to answer some questions about torque. Each of the arrows represents a force of 50 newtons applied to the edge of a wheel. Each wheel can rotate around an axis located at the center of the wheel and pointing in and out of the page. The radius of each wheel is 0.1 meter. Answer A, B, C, D, or none to each question. 1. Which wheel will not rotate at all when...
4. Consider a circular object that is free to rotate about its central axis. The object is sitting horizontally on ice, so that ction is negligible. (Think of a hockey rotating, or more precisely to change its rate of rotation? Is it a net force, which is the cause of changes in linear motion, or is it something else? puck.) An i is, what exactly causes such an object to start mportant ues ion The diagrams below show such an...
One end of a meter stick is pinned to a table, so the stick can rotate freely in a plane parallel to the tabletop. Two forces, both parallel to the tabletop, are applied to the stick in such a way that the net torque is zero. The first force has a magnitude of 2.00 N and is applied perpendicular to the length of the stick at the free end. The second force has a magnitude of 6.00 N and acts...
A constant-density cylinder of mass 0.5 kg and radius 4 cm can rotate freely about an axis through its center. It has thread wound around an attached axle of radius 0.5 cm that also runs through its center (Fig. as shown) The thread is attached to a mass of 1 kg, which slides down an inclined plane of angle ф-300 with an acceleration of 0.1 m/s. a) Draw a free body diagram of the system by PROBLEM 4: (12pts) R....
One end of a meter stick is pinned to a table, so the stick can rotate freely in a plane parallel to the tabletop. Two forces, both parallel to the tabletop, are applied to the stick in such a way that the net torque is zero. The first force has a magnitude of 2.00 N and is applied perpendicular to the length of the stick at the free end. The second force has a magnitude of 6.00 N and acts...
A uniform thin rod of length 0.65 m and mass 3.4 kg can rotate
in a horizontal plane about a vertical axis through its center. The
rod is at rest when a 3.8 g bullet traveling in the rotation plane
is fired into one end of the rod. As viewed from above, the
bullet's path makes angle θ = 60° with the rod. If the
bullet lodges in the rod and the angular velocity of the rod is
11.0 rad/s...
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