1. Three blocks are connected with massless strings as shown below and pulled by a force F=22 N to the right on a frictionless surface. m₁= 7 kg, m₂ = 9 kg, and m3 = 12 kg. 1 2 m₁ Calculate: (a) the acceleration a of the masses, Enter to 2 significant figures m/s² a = T₁ (b) the tensions in the strings. Enter to 2 significant figures N N m₂ = T₂= m3 F

1. Three blocks are connected with massless strings as shown below and pulled by a force F=22 N to the right on a frictionless surface. m₁= 7 kg, m₂ = 9 kg, and m3 = 12 kg. 1 2 m₁ Calculate: (a) the acceleration a of the masses, Enter to 2 significant figures m/s² a = T₁ (b) the tensions in the strings. Enter to 2 significant figures N N m₂ = T₂= m3 F

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter8: Conservation Of Energy

Section: Chapter Questions

Problem 84PQ

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Question

1. Three blocks are connected with massless strings as shown below and pulled by a force F=22
N to the right on a frictionless surface. m₁= 7 kg, m₂ = 9 kg, and m3 = 12 kg.
1
2
m₁
Calculate:
(a) the acceleration a of the masses,
Enter to 2 significant figures
m/s²
a =
✔m
(b) the tensions in the strings.
Enter to 2 significant figures
N
N
m₂
T₁
T₂ =
=
m3
F

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