. Two uniform marbles of diameter D and mass M are stacked as shown in a container that has a width W, with D/2 < W < D. (a) Find the force that the container exerts on the marbles at the points of contact A, B, and C. (b) What force does each marble exert on the other?
Homework Answers
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. Two uniform marbles of diameter D and mass M are stacked as
shown in a...
1. Three identical uniform bricks of mass m and length L are stacked on top of...
1. Three identical uniform bricks of mass m and length L are stacked on top of each other. (a) What is the maximum distance d so that the stack does not tumble over? (Hint: consider the top two bricks first, then add the bottom brick) (b) What is the maximum distance d that can be achieved by optimal stacking of an infinite number of bricks?
Physics Help You have two marbles, one carrying a uniformly distributed charge qp=+1.0°C and the other...
Physics Help You have two marbles, one carrying a uniformly distributed charge qp=+1.0°C and the other carrying a uniformly distributed charge qn=-0.50uc. a) [5 pts] What is the magnitude of the electric force between them when they are held 100 mm apart? b) [5 points] What happens when the marbles are released and are free to move? c) [5 points) If the marbles are metallic and share charge when they come in contact with each other, what is the magnitude...
The uniform 7.4-m pole has a mass of 185 kg and is supported as shown. Calculate...
The uniform 7.4-m pole has a mass of 185 kg and is supported as
shown. Calculate the force P required to move the pole if the
coefficient of static friction for each contact location is
0.35.
Please help.
The uniform 7.4-m pole has a mass of 185 kg and is supported as shown. Calculate the force ρ required to move the pole if the coefficient of static friction for each contact location is 0.35 7.4 m 3.3 m 4.8 m
Question 3 In the figure, two identical, uniform, and frictionless spheres, each of mass 5.4 kg,...
Question 3 In the figure, two identical, uniform, and frictionless spheres, each of mass 5.4 kg, rest in a rigid rectangular container. A line connecting their centers is at 45° to the horizontal. Find the magnitudes of the forces on the spheres from (a) the bottom of the container, (b) the left side of the container, (c) the right side of the container, and (d) each another. (Hint: The force of one sphere on the other is directed along the...
2. Two blocks are stacked in an elevator as shown. The elevator is moving down at...
2. Two blocks are stacked in an elevator as shown. The elevator is moving down at 3.0 and speeding up. The magnitude of the elevator's accelerauon is 2.5 17 s2 a) What is the direction of the acceleration? Explain your answer using words or a vector drawing b) What is the normal force on the bottom block? c) What force does the top block exert on the bottom block? 30 kg
help 5. A uniform beam of mass M-250 kg and length / 10.0 m is mounted...
help
5. A uniform beam of mass M-250 kg and length / 10.0 m is mounted to a wall by a strong hinge and a cable, as shown. A steel block of mass m 685 kg is placed on the beam a distancex 2.5 m from the hinge. The cable is at an angle 6 400, as shown. 6/ a. Calculate the tension in the cable. b. Calculate the horizontal component of the force the hinge exerts on the beam....
I Questioll 10 Two students, student A, who has a mass of 95 kg, and student...
I
Questioll 10 Two students, student A, who has a mass of 95 kg, and student B, who has a mass of 77 kg, sit in identical office chairs facing each other. Student A places his bare feet on student B's knees as shown below. Student A then suddenly pushes outward with his feet, causing both chairs to move. In this situation, O neither student exerts a force on the other. student A exerts a force on B, but B...
5. A uniform beam of mass M- 250 kg and length l- 10.0 m is mounted...
5. A uniform beam of mass M- 250 kg and length l- 10.0 m is mounted to a wall by a strong hinge and a cable, as shown. A steel block of mass m = 685 kg is placed on the beam a distance x-2.5 m from the hinge. The cable is at an angle -40°, as shown. a. b. c. d. Calculate the tension in the cable. Calculate the horizontal component of the force the hinge exerts on the...
The uniform 7.0-m pole has a mass of 145 kg and is supported as shown. Calculate...
The uniform 7.0-m pole has a mass of 145 kg and is supported as shown. Calculate the force P required to move the pole if the coefficient of static friction for each contact location is 0.31 7.0 m 3.1 m P -3.9 m Answer: P=
1. Three identical uniform bricks of mass m and length L are stacked on top of each other. (a) What is the maximum distance d so that the stack does not tumble over? (Hint: consider the top two bricks first, then add the bottom brick) (b) What is the maximum distance d that can be achieved by optimal stacking of an infinite number of bricks?
Physics Help You have two marbles, one carrying a uniformly distributed charge qp=+1.0°C and the other carrying a uniformly distributed charge qn=-0.50uc. a) [5 pts] What is the magnitude of the electric force between them when they are held 100 mm apart? b) [5 points] What happens when the marbles are released and are free to move? c) [5 points) If the marbles are metallic and share charge when they come in contact with each other, what is the magnitude...
The uniform 7.4-m pole has a mass of 185 kg and is supported as
shown. Calculate the force P required to move the pole if the
coefficient of static friction for each contact location is
0.35.
Please help.
The uniform 7.4-m pole has a mass of 185 kg and is supported as shown. Calculate the force ρ required to move the pole if the coefficient of static friction for each contact location is 0.35 7.4 m 3.3 m 4.8 m
Question 3 In the figure, two identical, uniform, and frictionless spheres, each of mass 5.4 kg, rest in a rigid rectangular container. A line connecting their centers is at 45° to the horizontal. Find the magnitudes of the forces on the spheres from (a) the bottom of the container, (b) the left side of the container, (c) the right side of the container, and (d) each another. (Hint: The force of one sphere on the other is directed along the...
2. Two blocks are stacked in an elevator as shown. The elevator is moving down at 3.0 and speeding up. The magnitude of the elevator's accelerauon is 2.5 17 s2 a) What is the direction of the acceleration? Explain your answer using words or a vector drawing b) What is the normal force on the bottom block? c) What force does the top block exert on the bottom block? 30 kg
help
5. A uniform beam of mass M-250 kg and length / 10.0 m is mounted to a wall by a strong hinge and a cable, as shown. A steel block of mass m 685 kg is placed on the beam a distancex 2.5 m from the hinge. The cable is at an angle 6 400, as shown. 6/ a. Calculate the tension in the cable. b. Calculate the horizontal component of the force the hinge exerts on the beam....
I
Questioll 10 Two students, student A, who has a mass of 95 kg, and student B, who has a mass of 77 kg, sit in identical office chairs facing each other. Student A places his bare feet on student B's knees as shown below. Student A then suddenly pushes outward with his feet, causing both chairs to move. In this situation, O neither student exerts a force on the other. student A exerts a force on B, but B...
5. A uniform beam of mass M- 250 kg and length l- 10.0 m is mounted to a wall by a strong hinge and a cable, as shown. A steel block of mass m = 685 kg is placed on the beam a distance x-2.5 m from the hinge. The cable is at an angle -40°, as shown. a. b. c. d. Calculate the tension in the cable. Calculate the horizontal component of the force the hinge exerts on the...
The uniform 7.0-m pole has a mass of 145 kg and is supported as shown. Calculate the force P required to move the pole if the coefficient of static friction for each contact location is 0.31 7.0 m 3.1 m P -3.9 m Answer: P=
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