56. **A 2.85-kg object is held in place on an inclined plane that makes an angle of 40° with the horizontal (Figure 5-34). The coefficient of static friction between the plane and the object is 0.552. A second object that has a mass of 4.75 kg is connected to the first object with a massless string over a massless, frictionless pulley. Cal- culate the initial acceleration of the system and the ten- sion in the string once the objects are released. 4.75 kg 2.85 kg - 0.552 40/ Figure 5-34 Problem 56

56. **A 2.85-kg object is held in place on an inclined plane that makes an angle of 40° with the horizontal (Figure 5-34). The coefficient of static friction between the plane and the object is 0.552. A second object that has a mass of 4.75 kg is connected to the first object with a massless string over a massless, frictionless pulley. Cal- culate the initial acceleration of the system and the ten- sion in the string once the objects are released. 4.75 kg 2.85 kg - 0.552 40/ Figure 5-34 Problem 56

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

The coefficient of friction is 0.25 under each body in the system shown. If the body start from rest, determine the following 3 seconds from initial condition: a. The magnitude and direction of the acceleration of block A b. The magnitude and direction of the acceleration of block B c. The magnitude and direction of the acceleration of block C d. The tension in the cable joining blocks A and C e. The tension in the cable supporting block B 4 600 lb 3 1200 lb B 400 lb
2. Two blocks of masses ml and m2, with ml has greater mass than m2, are placed in contact with each other on a frictionless, horizontal surface as shown in the figure. A constant horizontal force is applied to ml as shown. Find the magnitude of the acceleration of the system. L.- (b) *Previous Next
Determine the coefficient of friction between the box and the table when the frictional force is 240 N and the normal force is 800 N. 3.0 0.3 O 1 None
Part A) Let's say the two masses aren't moving yet and the coefficient of static friction between them and the table is th same. If µ = 0.39 then what is the maximum value with whic the combined frictional forces can fight this pull? m₁=11.4kg Ff = Pick a direction from the options below unit Connecting rope m₂=27.6kg a = Fnet = Pick a direction from the options below unit Part B) What then must be the net force on the system? O unit Pick a direction from the options below A Pull 213N O Part C) Then what would be the acceleration of the system? → \ O
QUESTION 9 Two blocks are positioned on surfaces, each inclined at the same angle of 52.1 degrees with respect to the horizontal. The blocks are connected by a rope which rests on a frictionless pulley at the top of the inclines as shown, so the blocks can slide together. The mass of the black block is 2.45 kg, and the coefficient of kinetic friction for both blocks and inclines is 0.500. Assume static friction has been overcome and that everything can slide. What is must be the mass of the white block if both blocks are to slide to the LEFT at an acceleration of 1.5 m/s^2? A 5.19 kg B 1.62 kg C 0.95 kg D 9.30 kg
What is the static friction force in the system in the figure? m-10kg a=37° &=37° F= 1OON l'o- 12 - A) 16kg B) 8kg 8N O D) 16N O E) 0
Please no hand writing solution
Q6/ A 3kg block stars from rest at the top of 30° incline and slides a distance of 2m down the incline in 1.5second. Find i) The acceleration of the block. ii) The friction force on the block. iii) The coefficient of kinetic friction between the block and the plane.
17
A system of two cables supports a 1$0-N ball as shown. 30° 150 N What is the tension in the right-hand cable? A) 260 N B. 300 N C) 170 N 87 N
please see attached. thank you
1a. If the far end of the track is raised (the side farthest from the pulley), how does the problem change? Find an expression for the acceleration. Can the system be balanced such that the masses don't move? 1b. If the end of the track near the pulley is raised, how does the it affect the previous equations? Find an expression for the new acceleration. Can the system be balanced such that the masses don't move?