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Consider the modified Atwood machine problem illustrated in Example 6.4 on page 274 of the book, and suppose m1 = 5kg  and m2 = 10kg . Suppose I apply a horizontal force to the block on the table, so that both masses are at rest. What is the magnitude of the force I should apply? Group of answer choices   6.53 N   0.0 N   32.7 N   98.0 N

Consider the modified Atwood machine problem illustrated in Example 6.4 on page 274 of the book, and suppose m1 = 5kg  and m2 = 10kg . Suppose I apply a horizontal force to the block on the table, so that both masses are at rest. What is the magnitude of the force I should apply? Group of answer choices   6.53 N   0.0 N   32.7 N   98.0 N

College Physics
College Physics
10th Edition
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter4: The Laws Of Motion
Section: Chapter Questions
Problem 42P: A block of mass 3m is placed on a frictionless horizontal surface, and a second block of mass m is...
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Consider the modified Atwood machine problem illustrated in Example 6.4 on page 274 of the book, and suppose m1 = 5kg  and m2 = 10kg . Suppose I apply a horizontal force to the block on the table, so that both masses are at rest. What is the magnitude of the force I should apply?

Group of answer choices

 

6.53 N

 

0.0 N

 

32.7 N

 

98.0 N

Example 6.4 Two Attached Blocks Figure 6.6 shows a block of mass m₁ on a frictionless, horizontal surface. It is pulled by a light string that passes over a frictionless and massless pulley. The other end of the string is connected to a block of mass m₂. Find the acceleration of the blocks and the tension in the string in terms of m₁, m2, and g. W₁ m₁ For block 2: T + m₂ ₁ + N = m₁ a ₁ 1 m₁ ₂ = m₂ a 2₁ N m₂ (a) (b) Figure 6.6 (a) Block 1 is connected by a light string to block 2. (b) The free-body diagrams of the blocks. 3¹ Strategy We draw a free-body diagram for each mass separately, as shown in Figure 6.6. Then we analyze each one to find the required unknowns. The forces on block 1 are the gravitational force, the contact force of the surface, and the tension in the string. Block 2 is subjected to the gravitational force and the string tension. Newton's second law applies to each, so we write two vector equations: For block 1: T + Ť
Transcribed Image Text:Example 6.4 Two Attached Blocks Figure 6.6 shows a block of mass m₁ on a frictionless, horizontal surface. It is pulled by a light string that passes over a frictionless and massless pulley. The other end of the string is connected to a block of mass m₂. Find the acceleration of the blocks and the tension in the string in terms of m₁, m2, and g. W₁ m₁ For block 2: T + m₂ ₁ + N = m₁ a ₁ 1 m₁ ₂ = m₂ a 2₁ N m₂ (a) (b) Figure 6.6 (a) Block 1 is connected by a light string to block 2. (b) The free-body diagrams of the blocks. 3¹ Strategy We draw a free-body diagram for each mass separately, as shown in Figure 6.6. Then we analyze each one to find the required unknowns. The forces on block 1 are the gravitational force, the contact force of the surface, and the tension in the string. Block 2 is subjected to the gravitational force and the string tension. Newton's second law applies to each, so we write two vector equations: For block 1: T + Ť
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