THREE 5-KG PACKAGES A, B, AND C ARE PLACED ON A CONVEYOR BELT THAT IS AT REST. BETWEEN THE BELT AND BOTH PACKAGES A AND C THE COEFFICIENTS OF FRICTION ARE µs 0.30 AND HK 0.20; BETWEEN PACKAGE B AND THE BELT THE COEFFICIENTS ARE µs = 0.15 AND HK = 0.10. THE PACKAGES ARE PLACED ON THE BELT SO THAT THEY ARE IN CONTACT WITH EACH OTHER AND AT REST. DETERMINE WHICH, IF ANY, OF THE PACKAGES WILL MOVE AND THE FRICTION FORCE ACTING ON EACH PACKAGE. C 5 kg В A 5 kg 5 kg 15°

THREE 5-KG PACKAGES A, B, AND C ARE PLACED ON A CONVEYOR BELT THAT IS AT REST. BETWEEN THE BELT AND BOTH PACKAGES A AND C THE COEFFICIENTS OF FRICTION ARE µs 0.30 AND HK 0.20; BETWEEN PACKAGE B AND THE BELT THE COEFFICIENTS ARE µs = 0.15 AND HK = 0.10. THE PACKAGES ARE PLACED ON THE BELT SO THAT THEY ARE IN CONTACT WITH EACH OTHER AND AT REST. DETERMINE WHICH, IF ANY, OF THE PACKAGES WILL MOVE AND THE FRICTION FORCE ACTING ON EACH PACKAGE. C 5 kg В A 5 kg 5 kg 15°

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Similar questions

A 100 kg block is at rest on a flat floor with a coefficient of static friction 0.62. A horizontal force of 3.7 N is applied to the block, but it does not budge. What is the magnitude of the frictional force on the block applied?
Mary applies a force of 76 N to push a box with an acceleration of 0.40 m/s2. When she increases the pushing force to 84 N, the box's acceleration changes to 0.62 m/s2. There is a constant friction force present between the floor and the box. (a) What is the mass of the box in kilograms? kg (b) What is the coefficient of kinetic friction between the floor and the box?
Mary applies a force of 71 N to push a box with an acceleration of 0.48 m/s2. When she increases the pushing force to 81 N, the box's acceleration changes to 0.66 m/s2. There is a constant friction force present between the floor and the box. (a) What is the mass of the box in kilograms? kg (b) What is the coefficient of kinetic friction between the floor and the box?
A horse pulls a box of mass M = 55 kg across a rough horizontal surface by applying a horizontal force of 874 N.If the coefficient of kinetic friction between the box and the surface is μk = 0.5, what is the acceleration of thebox?
A force F acts to the right on a 6.4 kg block. A 3.43 kg block is stacked on top of the 6.4 kg block and can slide on it with a coefficient of 1. 40.72541 2. 22.0506 friction of u1 =0.2 between the blocks. Both pulleys are massless and frictionless. The string is also massless. Note the axle of the upper pulley is free to move so it will accelerate to the left as the 6.4 kg block accelerates to the right. Think carefully about the magnitude of that axle's acceleration. The axle of the lower pulley is fixed at the position shown. The table has a coefficient of friction of 3. 49.393639 O 4. 56.648308 5. 39.322021 O 6. 31.94706 O 7, 42.29855 H2 =0.19. The acceleration of gravity is 9.8 m/s 8. 48.740013 O 9. 32.937958 3.43 kg F O 10. 34.211868 6.4 kg 12 Find the force F required to accelerate the 6.4 kg block at 1.7 m/s. (Hint: How many frictional forces are on the 6.4 kg block?) Answer in units of N.
A 2.03 kg book is placed on a flat desk. Suppose the coefficient of static friction between the book and the desk is 0.482 and the coefficient of kinetic friction is 0.262. How much force is needed to keep the book moving at a constant speed once it begins moving?
A block of mass m is sitting on a block of mass M. The bottom block is sitting on a horizontal floor. The coefficient of static friction between the blocks is μs1, and the coefficient of static friction between the bottom block and the floor is μs2. What is the minimum pull force F on the bottom block so that the blocks begin to move? Given that the coefficient of kinetic friction between the bottom block and the floor is μk, what is the maximum pull force F so that there is no slipping between the blocks?
A 2.5 kg block is initially at rest on a horizontal surface. A horizontal force F of magnitude 6.2 N and a vertical force P are then applied to the block. The coefficients of friction for the block and surface are us = 0.38 and uk = 0.22. (a) Determine the magnitude of the frictional force acting on the block if the magnitude of P is 8.0 N. (b) Determine the magnitude of the frictional force acting on the block if the magnitude of P is 10.0 N. (c) Determine the magnitude of the frictional force acting on the block if the magnitude of P is 12.0 N.
A 70 kg skier is in a tuck position and moving down a 20° hill. Air resistance applies a resultant force of 15 N against the movement of the skier. The coefficient of friction between the skis and the snow is 0.09. What is the resultant downhill force acting on the skier?
Boxes A and B are in contact on a horizontal, frictionless surface. Box A has mass 20.0 kg and box B has mass 5.0 kg. A horizontal force of 100 N is exerted on box B. What is the magnitude of the force that box B exerts on box A?
Two teams of nine members each engage in a tug of war. Each of the first team’s members has an average mass of 61 kg and exerts an average force of 1359 N horizontally. Each of the second team’s members has an average mass of 73 kg and exerts an average force of 1363 N horizontally. (a) What is the acceleration of the two teams? Give this as a positive value. (b) What is the tension in the section of rope between the teams?