20. A 24-kg block is being lowered by two massless ropes tied to the top corners of the block. When the block got to dropping too fast, the tension in the ropes was increased, forcing the block to slow down at a rate of 2 m/s2. The ropes each make an the horizontal, as shown. Find the tension force provided by each rope. ** т Т. 530 53° angle of 53° with respect to A 4.ka hlockk whi 26

20. A 24-kg block is being lowered by two massless ropes tied to the top corners of the block. When the block got to dropping too fast, the tension in the ropes was increased, forcing the block to slow down at a rate of 2 m/s2. The ropes each make an the horizontal, as shown. Find the tension force provided by each rope. ** т Т. 530 53° angle of 53° with respect to A 4.ka hlockk whi 26

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

MA A sled is gliding down an incline with angle q. In the absence of friction, what component of the weight is driving the sled downwards? O a. mg cos q O b. total mg O c. mg sin q O d. mg tan q Next page
Help3
A15.0 kg load of bricks hangs fromone end of a rope that passes over asmall, frictionless pulley. A 28.0 kgcounterweight is suspended from theother end of the rope . Thesystem is released from rest. What is the tension in the rope while the load is moving? How does the tension compare to the weight of the load of bricks? To the weight of the counterweight?
A 10.0 [kg] block is pushed by a 45.0 [N] force against a rough wall that is inclined at an angle 70°. What should be the minimum coefficient of static friction Push Hg so that the block will not slide down the ramp? А. 2.04 C. 0.746 В. 0.245 D. 1.17 0 = 70°
Dana pushed a wooden crate that was at rest on the floor. The crate moved when she ap- plied 49 N of force. If the friction coefficient was 0.1, what was the weight of the crate? 4.9 N B. 490 N 49 N D 0.49 N
3. A block of mass m = 5.9 kg is pulled up a 0 = 21° incline as in the figure below with a force of magnitude F = 37 N. (Hint: remember to measure all angles from +x axis.) y a. Draw a free body diagram showing all the forces. NORml Fte F Mass = 5.9k 0-21° F-37N there b. Determine the x and y components of all the forces. X Components of Force f = 37 N Y comporents of Force F=0N X componnt of normal force=ON * Componis of weight=-5.9x 9.8x Sin 210=70. FJN Y Comperents of weight=5.9a 9.8 x Casal. - 53.98 Y Compenents of normal force=mglos H%53.98, c. Write equations summing all the x components and all the y components. F-mg Sm@= mxa 37-20.72= 5.9x a 2.7l6 = Comporunts) Normal force - mg les 0: 05 53.98-53.98-0o d. Find the acceleration of the block if the incline is frictionless. (Give the magnitude of the acceleration. Find the acceleration of the block if the coefficient of kinetic friction between the block and incline is 0.12. (Give the magnitude of the acceleration.) е. 3
1B. The given system of knotted cords (label the left knot as J and the right knot as K) supports the indicated weights. a) What is the tension TA in cord A? b) What is the tension TB in cord B? c) What is the tension TC in cord C?
The leg and cast in Figure P4.40 weigh 220 N (w). Deter- mine the weight wz and the angle a needed so that no force is exerted on the hip joint by the leg plus the cast. 7 110 N 40% Figure P4.40
Two (2) forces were acted upon a body. One force is 12.5 N, directed 130^o from the + x-axis and the other force is 14.8 N, directed 26^o from the + x-axis.. Find the magnitude of the horizontal and vertical components of the net force (Fx and Fy). a. 5.3 N; -16.1 N b. - 5.3 N; 16.1 N c. 5.3 N; 16.1 N d. -5.3 N; - 16.1 N
5. Two packing crates of masses m1 = 10.0 kg and m2 = 3.00 kg are connected by a light string that passes over a frictionless pulley as in the fiaure below. The 3.00-kg crate lles on a smooth incline of angle 41.0°. (Hint: Draw the two free body diagrams, determine the components the forces, Sum the x and y components to generate equations, combine equations to solve for a) m2 (a) the acceleration of the 3.00-kg crate herht of to (b) the tension in the string the fo
You and your friend are moving a 82kg box across the floor at a constant speed. You are pushing on the crate parallel to the ground with a force of 62N. Your friend has a rope tied to the box and they are pulling it at an angle of 37° to the ground with a force of 32N. Construct the free body diagram showing the force acting on the crate in order to find the magnitude of friction the floor exerts on the box.
A 9.00-kg hanging weight is connected by a string over a pulley to a 5.00-kg block that is sliding on a flat table. If the coefficient of kinetic friction is 0.300, find the tension in the string in Newtons. 5.00 kg 9.00 kg Lütfen birini seçin: O A. 62.0 O B. 55.0 O C. 48.0 O D. 41.0 O E. 32.0