COMPLETE WITH FBD STEP BY STEP 2. A 15.0-kg load of bricks hangs from one end of an inextensible rope that passes over a small, frictionless pulley. A 28.0-kg counterweight is suspended from the other end of the rope. The system is released from rest. What is the magnitude of the acceleration of the system? What is the tension acting on the rope? 28.0 kg 15.0 kg

COMPLETE WITH FBD STEP BY STEP 2. A 15.0-kg load of bricks hangs from one end of an inextensible rope that passes over a small, frictionless pulley. A 28.0-kg counterweight is suspended from the other end of the rope. The system is released from rest. What is the magnitude of the acceleration of the system? What is the tension acting on the rope? 28.0 kg 15.0 kg

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter5: Newton's Law Of Motion

Section: Chapter Questions

Problem 57P: Two teams of nine members each engage in tug-of-war. Each of the first team’s members has an average...

See similar textbooks

Similar questions

A brave but inadequate rugby player is being pushed backward by an opposing player who is exerting a force of 800 N on him. The mass of the losing player plus equipment is 90.0 kg, and he is accelerating at 1.20 m/s2 backward. (a) What is the force of friction between the losing player's feet and the grass? (b) What force does the winning player exert on the ground to move forward if his mass plus equipment is 110 kg? (c) Draw a sketch of the situation showing the system of interest used to solve each part. For this situation, draw a free-body diagram and write the net force equation.
(a) What is the minimum force of friction required to hold the system of Figure P4.74 in equilibrium? (b) What coefficient of static friction between the 100.-N block and the table ensures equilibrium? (c) If the coefficient of kinetic friction between the 100.-N block and the table is 0.250, what hanging weight should replace the 50.0-N weight to allow the system to move at a constant speed once it is set in motion? Figure P4.74
Two teams of nine members each engage in tug-of-war. Each of the first team’s members has an average mass of 68 kg and exerts an average force of 1350 N horizontally. Each of the second team’s members has an average mass of 73 kg and exerts an average force of 1365 N horizontally. (a) What is magnitude of the acceleration of the two teams, and which team sins? (b) What is the tension in the section of rope between the teams?
A 0.400-kg pendulum bob passes through the lowest part of its path at a speed of 3.00 m/s. (a) What is the tension in the pendulum cable at this point if the pendulum is 80.0 cm long? (b) When the pendulum reaches its highest point, what angle does the cable make with the vertical? (c) What is the tension in the pendulum cable when the pendulum reaches its highest point?
A 2.00-kg object B is connected with a string to a 3.00-kgobject A, which is connected with a second string over a massless, frictionless pulley to a 8.00-kg object C. The strings have negligible mass and do not stretch, and the level tabletop is frictionless. Calculate the tension ?1. ?1= N Calculate the tension ?2. ?2= N Calculate the acceleration ? of the system. ?= m/s2
A force of magnitude 7.5 N pushes threes boxes with masses mi = 1.3 kg, m2 = 3.2 kg and m3 = 4.9 kg, as shown in the below figure. Find the magnitude of the 5. contact force between: I. boxes 1 and 2. II. boxes 2 and 3. 2 3 3.20 kg F = 7.50 N 4.90 kg 1.30 kg
A pulley is suspended by a cord C. Suppose that m1= 1.0 kg and m2 = 3.1 kg . Determine the tension in the cord that supports the pulley C after the masses are released and before one hits the ground. Ignore the mass of the pulley and cords.
PNVKK Objects 1 and 2 are shown below. Object 1 has mass 21 kg, object 2 has mass 7 kg, and the kinetic coefficient of friction for object 1 on the table is 0.31. If object 1 is pushed so that it is moving away from the pulley, then find the magnitude of the acceleration of each mass and the tension in the string. motion m₁ π 21. acceleration magnitude A. 5.245 m/s² D. E. 4.985 m/s² 5.468 m/s² B. 4.454 m/s² C. 4.729_m/s² F. 4.307 m/s² 1--1 22. tension D. 34_N 31.4 N A. E. 32.6 N B. 37.01 N F. 35.5_N C. 30.16 N 1--1 KZMSI In its bed, a pickup truck is carrying a large crate that is not tied down. The coefficient of static friction between the truck bed and the crate is μ = 0.46. What is the maximum possible acceleration (assume in the positive direction) of the truck on a level road that will not cause the crate to slip? m₂
ol nt... 7 2 W S 6. A mass m₁ = 4.80 kg block on a tabletop is attached by a string to a hanging block of mass m₂ = 3.00 kg, as shown in the figure. The coefficient of kinetic friction between the mass (m₁) and the surface is 0.29. The blocks are released from rest and allowed to move freely. Find the magnitude of the tension in the string. N 3 E 80 F3. 4 288 R F % 5 246 T G 6 16 ceil6 ceil6 ceil6 ceil6 cesto co B 21910291999 MacBook Air FO Y & 7 m₂ H U 8 J FB ( 9 M K 16 ceiló cerlo ceiló cel cc116 ceil6 ccilo ceiló ceilo O 4 16. cci P
A 3.00-kg object B is connected with a string to a 5.00-kg object A, which is connected with a second string over a massless, frictionless pulley to a 9.00-kg object C. The strings have negligible mass and do not stretch, and the level tabletop is frictionless. T, A T, Calculate the tension T¡. T = N Calculate the tension T2. T2 = N Calculate the acceleration a of the system. a = m/s?
The figure shows two 1.00kg blocks connected by a rope. A second rope hangs beneath the lower block. Both ropes have a mass of 250g . The entire assembly is accelerated upward at 5.5m/s2 by force F. What is the tension at the bottom of rope 1?
A 5kg block has a rope of mass 2kg attached to its underside and a 3kg block is suspended from the other end of the rope. The whole system is accelerated upward at 2 m/s2by an external force F. What is the value of theforce F? What is the net force in the rope? What is the tension at the middle of the rope?