Two blocks connected by a light horizontal rope sit at rest on a horizontal, frictionless surface. Block A has mass 15.0 [kg), and block B has mass m. A constant horizontal force F = 80.0 [N] is applied to block A. In the first 3.00 [s] after the force is applied, block A moves 18.0 [m] to the right. F A. Draw the free body diagram of block A and Block B. Draw the x and y axis. (Hint: The string is taut all the time) B. What is the acceleration of block A in the first 3. 00 [s] if both blocks start from rest? C. From your answer in (b), write the acceleration of block B.

Physics for Scientists and Engineers, Technology Update (No access codes included)
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Chapter5: The Laws Of Motion
Section: Chapter Questions
Problem 5.19CQ: Give reasons for the answers to each of the following questions: (a) Clan a normal force be...
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Two blocks connected by a light horizontal rope sit at rest on a
horizontal, frictionless surface. Block A has mass 15.0 [kg], and
block B has mass m. A constant horizontal force F = 80.0 [N] is
applied to block A. In the first 3. 00 [s] after the force is applied,
block A moves 18. 0 [m] to the right.
F
%3D
B
A. Draw the free body diagram of block A and Block B.
Draw the x and y axis. (Hint: The string is taut all the time)
B. What is the acceleration of block A in the first 3. 00 [s] if both blocks start from rest?
C. From your answer in (b), write the acceleration of block B.
D. Write Newton's 2nd law for block A along the horizontal direction and solve for the magnitude
of the force exerted by the rope on block A.
E. Write Newton's 2nd law for block B along the horizontal direction and solve for its unknown
mass m. (Hint: Frope on A = Frope on B)
Transcribed Image Text:Two blocks connected by a light horizontal rope sit at rest on a horizontal, frictionless surface. Block A has mass 15.0 [kg], and block B has mass m. A constant horizontal force F = 80.0 [N] is applied to block A. In the first 3. 00 [s] after the force is applied, block A moves 18. 0 [m] to the right. F %3D B A. Draw the free body diagram of block A and Block B. Draw the x and y axis. (Hint: The string is taut all the time) B. What is the acceleration of block A in the first 3. 00 [s] if both blocks start from rest? C. From your answer in (b), write the acceleration of block B. D. Write Newton's 2nd law for block A along the horizontal direction and solve for the magnitude of the force exerted by the rope on block A. E. Write Newton's 2nd law for block B along the horizontal direction and solve for its unknown mass m. (Hint: Frope on A = Frope on B)
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