D A block (block 2) of mass m2 = 1.3 kg hangs from the end of a (massless) string which runs over a (massless frictionless) pulley. The other end of the string is connected to another block (block 1) of mass m, = 2.2 kg on a horizontal frictionless table. The situation is shown below. M1 M2 a) Assuming that block 1 is sliding to the right (toward the pulley), find the acceleration of block 1. (3.6 m/s) b) Assuming that block 1 is sliding to the right (toward the pulley), find the tension in the string. (8.0 N) c) Sarah repeats this experiment but she gives block 1 a push to the left, so now it is sliding to the left (away from the pulley). Find the acceleration of block 1 (after Sarah has stopped pushing it but while it is still sliding to the left). (3.6 m/s) d) As above in part c, block 1 is sliding to the left (away from the pulley). Find the tension in the string (after Sarah has stopped pushing it). (8.0 N)
D A block (block 2) of mass m2 = 1.3 kg hangs from the end of a (massless) string which runs over a (massless frictionless) pulley. The other end of the string is connected to another block (block 1) of mass m, = 2.2 kg on a horizontal frictionless table. The situation is shown below. M1 M2 a) Assuming that block 1 is sliding to the right (toward the pulley), find the acceleration of block 1. (3.6 m/s) b) Assuming that block 1 is sliding to the right (toward the pulley), find the tension in the string. (8.0 N) c) Sarah repeats this experiment but she gives block 1 a push to the left, so now it is sliding to the left (away from the pulley). Find the acceleration of block 1 (after Sarah has stopped pushing it but while it is still sliding to the left). (3.6 m/s) d) As above in part c, block 1 is sliding to the left (away from the pulley). Find the tension in the string (after Sarah has stopped pushing it). (8.0 N)
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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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)...
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Solve the problem in Newton's 2nd Law of Motion. Please answer 1 a, b, c, and d and 2 a, b, c , and d.
Transcribed Image Text:1) A block (block 2) of mass m2 = 1.3 kg hangs from the end of a (massless) string which runs
over a (massless frictionless) pulley. The other end of the string is connected to another
block (block 1) of mass m, = 2.2 kg on a horizontal frictionless table. The situation is
shown below.
M1
M,
a) Assuming that block 1 is sliding to the right (toward the pulley), find the acceleration of
block 1. (3.6 m/s*)
b) Assuming that block 1 is sliding to the right (toward the pulley), find the tension in the
string. (8.0 N)
c) Sarah repeats this experiment but she gives block 1 a push to the left, so now it is sliding
to the left (away from the pulley). Find the acceleration of block 1 (after Sarah has
stopped pushing it but while it is still sliding to the left). (3.6 m/s)
d) As above in part c, block 1 is sliding to the left (away from the pulley). Find the tension
in the string (after Sarah has stopped pushing it). (8.0 N)
2) The situation is the same as in problem #1, but now there is friction between block 1 and the
table. The coefficient of kinetic friction between the table and block 1 is u = 0.20.
a) Assuming that block 1 is sliding to the right (toward the pulley), find the acceleration of
block 1. (2.4 m/s?)
b) Assuming that block 1 is sliding to the right (toward the pulley), find the tension in the
string. (9.6 N)
c) Sarah repeats this experiment but she gives block 1 a push to the left, so now it is sliding
to the left (away from the pulley). Find the acceleration of block 1 (after Sarah has
stopped pushing it but while it is still sliding to the left). (4.9 m/s?)
d) As above in part c, block 1 is sliding to the left (away from the pulley). Find the tension
in the string (after Sarah has stopped pushing it). (6.4 N)
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