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# Repeat Exercise 9.24 for the pulley shown in Figure ISBN: 9780130606204 3

## Solution for problem 25PE Chapter 9

Physics: Principles with Applications | 6th Edition

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Problem 25PE

Repeat Exercise 9.24 for the pulley shown in Figure 9.26(c), assuming you pull straight up on the rope. The pulley system’s mass is 7.00 kg . Figure 9.26 ?(b) Three pulleys are used to lift a load in such a way that the mechanical advantage is about 3. Effectively, there are three cables attached to the load. Exercise 9.24: If you used an ideal pulley of the type shown in Figure 9.26(a) to support a car engine of mass 115 kg , (a) What would be the tension in the rope? (b) What force must the ceiling supply, assuming you pull straight down on the rope? Neglect the pulley system’s mass. Figure 9.26 ?(a) The combination of pulleys is used to multiply force. The force is an integral multiple of tension if the pulleys are frictionless. This pulley system has two cables a?ttached to its load, thus applying a force of approximately 2?T . ? This machine has M ? A ? 2 .

Step-by-Step Solution:

Solution 25PE Step-by-step solution Step 1 of 4 (a) Since the pulley shown in figure used to support a car engine and the pulley system mass have some mass. Draw the free body diagram of the figure. Step 2 of 4 It is clear from above diagram that total weight is equal to the 4 times the tension in rope, Here, w is total weight acting downwards. Since total mass acting down wards Substitute 115 kg for mass of engine and 7 kg for mass of pulley system solve for mass acting downwards.

Step 3 of 3

##### ISBN: 9780130606204

The answer to “Repeat Exercise 9.24 for the pulley shown in Figure 9.26(c), assuming you pull straight up on the rope. The pulley system’s mass is 7.00 kg . Figure 9.26 ?(b) Three pulleys are used to lift a load in such a way that the mechanical advantage is about 3. Effectively, there are three cables attached to the load. Exercise 9.24: If you used an ideal pulley of the type shown in Figure 9.26(a) to support a car engine of mass 115 kg , (a) What would be the tension in the rope? (b) What force must the ceiling supply, assuming you pull straight down on the rope? Neglect the pulley system’s mass. Figure 9.26 ?(a) The combination of pulleys is used to multiply force. The force is an integral multiple of tension if the pulleys are frictionless. This pulley system has two cables a?ttached to its load, thus applying a force of approximately 2?T . ? This machine has M ? A ? 2 .” is broken down into a number of easy to follow steps, and 164 words. Since the solution to 25PE from 9 chapter was answered, more than 324 students have viewed the full step-by-step answer. This full solution covers the following key subjects: pulley, Force, figure, system, mass. This expansive textbook survival guide covers 35 chapters, and 3914 solutions. The full step-by-step solution to problem: 25PE from chapter: 9 was answered by , our top Physics solution expert on 03/03/17, 03:53PM. This textbook survival guide was created for the textbook: Physics: Principles with Applications, edition: 6. Physics: Principles with Applications was written by and is associated to the ISBN: 9780130606204.

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