What Is Static Equilibrium? Problems 1–3 are grouped. 1. C A ball is attached to a strong, lightweight rod (Fig. P14.1). The rod is supported by a horizontal pin near the top. The ball is at rest. Is the ball in static equilibrium? If not, why not? If so, which type of equilibrium is it—stable, unstable, or neutral? Hint : What would happen if you displaced the ball slightly? FIGURE P14.1

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Answer 1

Textbook Question

Chapter 14, Problem 1PQ

What Is Static Equilibrium?

Problems 1–3 are grouped.

1. C A ball is attached to a strong, lightweight rod (Fig. P14.1). The rod is supported by a horizontal pin near the top. The ball is at rest. Is the ball in static equilibrium? If not, why not? If so, which type of equilibrium is it—stable, unstable, or neutral? Hint: What would happen if you displaced the ball slightly?

Chapter 14, Problem 1PQ, What Is Static Equilibrium? Problems 13 are grouped. 1. C A ball is attached to a strong,

FIGURE P14.1

Expert Solution & Answer

To determine

Whether the ball is in static equilibrium and if so the type of equilibrium in which the ball is present.

Answer to Problem 1PQ

The ball is in static equilibrium and it is stable equilibrium.

Explanation of Solution

Equilibrium is a special case of motion in which an object’s translational momentum and angular momentum are both constant. Static equilibrium is a special case in which the object’s translational momentum and angular momentum are zero. This also implies that for an object to be in static equilibrium, the total force and the total torque acting on the object must be zero. There are three types of static equilibrium namely stable static equilibrium, unstable static equilibrium and neutral static equilibrium. If an object returns to its equilibrium position after being released, it will be in stable equilibrium. If an object moves farther away from the equilibrium position after being released, it will be in unstable equilibrium. If an object is moved and released from a new position and does not move toward or away from its equilibrium position, then the object is in neutral equilibrium.

It is given that the ball in the figure is at rest so that it has no acceleration. This implies the net force and the torque acting on the ball are zero and the ball must be in static equilibrium. If the ball is displaced slightly, it will return to or pass through the equilibrium position. According to the definition, it is stable equilibrium.

Conclusion:

Thus, the ball is in stable static equilibrium since the net force and the torque acting on it is zero and it returns to its equilibrium position when it is displaced slightly.

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Plastic beads can often carry a small charge and therefore can generate electric fields. Three beads are oriented such that system of all three beads is zero. 91 E field lines 93 92 What charge does each bead carry? 91 92 -1.45 = = What is the net charge of the system? What charges have to be equal? μC 2.9 × What is the net charge of the system? What charges have to be equal? μC 93 = 2.9 μС 92 is between and 91 93° The sum of the charge on q₁ and 92 is 91 + 92 = −2.9 μC, and the net charge of the

Answer 2

Textbook Question

Chapter 14, Problem 1PQ

What Is Static Equilibrium?

Problems 1–3 are grouped.

1. C A ball is attached to a strong, lightweight rod (Fig. P14.1). The rod is supported by a horizontal pin near the top. The ball is at rest. Is the ball in static equilibrium? If not, why not? If so, which type of equilibrium is it—stable, unstable, or neutral? Hint: What would happen if you displaced the ball slightly?

Chapter 14, Problem 1PQ, What Is Static Equilibrium? Problems 13 are grouped. 1. C A ball is attached to a strong,

FIGURE P14.1

Expert Solution & Answer

To determine

Whether the ball is in static equilibrium and if so the type of equilibrium in which the ball is present.

Answer to Problem 1PQ

The ball is in static equilibrium and it is stable equilibrium.

Explanation of Solution

Equilibrium is a special case of motion in which an object’s translational momentum and angular momentum are both constant. Static equilibrium is a special case in which the object’s translational momentum and angular momentum are zero. This also implies that for an object to be in static equilibrium, the total force and the total torque acting on the object must be zero. There are three types of static equilibrium namely stable static equilibrium, unstable static equilibrium and neutral static equilibrium. If an object returns to its equilibrium position after being released, it will be in stable equilibrium. If an object moves farther away from the equilibrium position after being released, it will be in unstable equilibrium. If an object is moved and released from a new position and does not move toward or away from its equilibrium position, then the object is in neutral equilibrium.

It is given that the ball in the figure is at rest so that it has no acceleration. This implies the net force and the torque acting on the ball are zero and the ball must be in static equilibrium. If the ball is displaced slightly, it will return to or pass through the equilibrium position. According to the definition, it is stable equilibrium.

Conclusion:

Thus, the ball is in stable static equilibrium since the net force and the torque acting on it is zero and it returns to its equilibrium position when it is displaced slightly.

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Answer 3

Textbook Question

Chapter 14, Problem 1PQ

What Is Static Equilibrium?

Problems 1–3 are grouped.

1. C A ball is attached to a strong, lightweight rod (Fig. P14.1). The rod is supported by a horizontal pin near the top. The ball is at rest. Is the ball in static equilibrium? If not, why not? If so, which type of equilibrium is it—stable, unstable, or neutral? Hint: What would happen if you displaced the ball slightly?

Chapter 14, Problem 1PQ, What Is Static Equilibrium? Problems 13 are grouped. 1. C A ball is attached to a strong,

FIGURE P14.1

Expert Solution & Answer

To determine

Whether the ball is in static equilibrium and if so the type of equilibrium in which the ball is present.

Answer to Problem 1PQ

The ball is in static equilibrium and it is stable equilibrium.

Explanation of Solution

Equilibrium is a special case of motion in which an object’s translational momentum and angular momentum are both constant. Static equilibrium is a special case in which the object’s translational momentum and angular momentum are zero. This also implies that for an object to be in static equilibrium, the total force and the total torque acting on the object must be zero. There are three types of static equilibrium namely stable static equilibrium, unstable static equilibrium and neutral static equilibrium. If an object returns to its equilibrium position after being released, it will be in stable equilibrium. If an object moves farther away from the equilibrium position after being released, it will be in unstable equilibrium. If an object is moved and released from a new position and does not move toward or away from its equilibrium position, then the object is in neutral equilibrium.

It is given that the ball in the figure is at rest so that it has no acceleration. This implies the net force and the torque acting on the ball are zero and the ball must be in static equilibrium. If the ball is displaced slightly, it will return to or pass through the equilibrium position. According to the definition, it is stable equilibrium.

Conclusion:

Thus, the ball is in stable static equilibrium since the net force and the torque acting on it is zero and it returns to its equilibrium position when it is displaced slightly.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 4

Textbook Question

Chapter 14, Problem 1PQ

What Is Static Equilibrium?

Problems 1–3 are grouped.

1. C A ball is attached to a strong, lightweight rod (Fig. P14.1). The rod is supported by a horizontal pin near the top. The ball is at rest. Is the ball in static equilibrium? If not, why not? If so, which type of equilibrium is it—stable, unstable, or neutral? Hint: What would happen if you displaced the ball slightly?

Chapter 14, Problem 1PQ, What Is Static Equilibrium? Problems 13 are grouped. 1. C A ball is attached to a strong,

FIGURE P14.1

Expert Solution & Answer

To determine

Whether the ball is in static equilibrium and if so the type of equilibrium in which the ball is present.

Answer to Problem 1PQ

The ball is in static equilibrium and it is stable equilibrium.

Explanation of Solution

Equilibrium is a special case of motion in which an object’s translational momentum and angular momentum are both constant. Static equilibrium is a special case in which the object’s translational momentum and angular momentum are zero. This also implies that for an object to be in static equilibrium, the total force and the total torque acting on the object must be zero. There are three types of static equilibrium namely stable static equilibrium, unstable static equilibrium and neutral static equilibrium. If an object returns to its equilibrium position after being released, it will be in stable equilibrium. If an object moves farther away from the equilibrium position after being released, it will be in unstable equilibrium. If an object is moved and released from a new position and does not move toward or away from its equilibrium position, then the object is in neutral equilibrium.

It is given that the ball in the figure is at rest so that it has no acceleration. This implies the net force and the torque acting on the ball are zero and the ball must be in static equilibrium. If the ball is displaced slightly, it will return to or pass through the equilibrium position. According to the definition, it is stable equilibrium.

Conclusion:

Thus, the ball is in stable static equilibrium since the net force and the torque acting on it is zero and it returns to its equilibrium position when it is displaced slightly.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

Expert Solution & Answer

To determine

Whether the ball is in static equilibrium and if so the type of equilibrium in which the ball is present.

Answer to Problem 1PQ

The ball is in static equilibrium and it is stable equilibrium.

Explanation of Solution

Equilibrium is a special case of motion in which an object’s translational momentum and angular momentum are both constant. Static equilibrium is a special case in which the object’s translational momentum and angular momentum are zero. This also implies that for an object to be in static equilibrium, the total force and the total torque acting on the object must be zero. There are three types of static equilibrium namely stable static equilibrium, unstable static equilibrium and neutral static equilibrium. If an object returns to its equilibrium position after being released, it will be in stable equilibrium. If an object moves farther away from the equilibrium position after being released, it will be in unstable equilibrium. If an object is moved and released from a new position and does not move toward or away from its equilibrium position, then the object is in neutral equilibrium.

It is given that the ball in the figure is at rest so that it has no acceleration. This implies the net force and the torque acting on the ball are zero and the ball must be in static equilibrium. If the ball is displaced slightly, it will return to or pass through the equilibrium position. According to the definition, it is stable equilibrium.

Conclusion:

Thus, the ball is in stable static equilibrium since the net force and the torque acting on it is zero and it returns to its equilibrium position when it is displaced slightly.

Answer 8

Expert Solution & Answer

To determine

Whether the ball is in static equilibrium and if so the type of equilibrium in which the ball is present.

Answer to Problem 1PQ

The ball is in static equilibrium and it is stable equilibrium.

Explanation of Solution

Equilibrium is a special case of motion in which an object’s translational momentum and angular momentum are both constant. Static equilibrium is a special case in which the object’s translational momentum and angular momentum are zero. This also implies that for an object to be in static equilibrium, the total force and the total torque acting on the object must be zero. There are three types of static equilibrium namely stable static equilibrium, unstable static equilibrium and neutral static equilibrium. If an object returns to its equilibrium position after being released, it will be in stable equilibrium. If an object moves farther away from the equilibrium position after being released, it will be in unstable equilibrium. If an object is moved and released from a new position and does not move toward or away from its equilibrium position, then the object is in neutral equilibrium.

It is given that the ball in the figure is at rest so that it has no acceleration. This implies the net force and the torque acting on the ball are zero and the ball must be in static equilibrium. If the ball is displaced slightly, it will return to or pass through the equilibrium position. According to the definition, it is stable equilibrium.

Conclusion:

Thus, the ball is in stable static equilibrium since the net force and the torque acting on it is zero and it returns to its equilibrium position when it is displaced slightly.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

To determine

Whether the ball is in static equilibrium and if so the type of equilibrium in which the ball is present.

Answer 12

Answer to Problem 1PQ

The ball is in static equilibrium and it is stable equilibrium.

Answer 13

Explanation of Solution

Equilibrium is a special case of motion in which an object’s translational momentum and angular momentum are both constant. Static equilibrium is a special case in which the object’s translational momentum and angular momentum are zero. This also implies that for an object to be in static equilibrium, the total force and the total torque acting on the object must be zero. There are three types of static equilibrium namely stable static equilibrium, unstable static equilibrium and neutral static equilibrium. If an object returns to its equilibrium position after being released, it will be in stable equilibrium. If an object moves farther away from the equilibrium position after being released, it will be in unstable equilibrium. If an object is moved and released from a new position and does not move toward or away from its equilibrium position, then the object is in neutral equilibrium.

It is given that the ball in the figure is at rest so that it has no acceleration. This implies the net force and the torque acting on the ball are zero and the ball must be in static equilibrium. If the ball is displaced slightly, it will return to or pass through the equilibrium position. According to the definition, it is stable equilibrium.

Conclusion:

Thus, the ball is in stable static equilibrium since the net force and the torque acting on it is zero and it returns to its equilibrium position when it is displaced slightly.

Answer 14

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