1. Three ropes are tied in a knot as shown in the figure. One student pulls on rope A with 1.0 N of force, and another student pulls on rope B with 7.0 N of force. How hard (magnitude) and in what direction must you pull on rope C to balance the first two pulls? Give the direction by specifying the angle (clockwise or counterclockwise) of the pull with the direction of rope A. Rope BX Final formula: Rope A X =1:ON Fx 7.ON 7.0u sin 30° = F = -6,9 7.0 cos 30°- F=1 Rope B = Sin 30= 120° Knote %3D Rope A 1.ON %3D Rope C 1,01 ー69 ROpe A l.0 Required steps: )Choose-axes- 2) Find vectors components 3) Write the equation to balance the forces 4) Find the magnitude and direction of the force that pulls rope C Yope B

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Chapter2: Newton's Laws
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Group Work #4
Show your work. No work, no credit!
Son
Cah
toa
Names Mauricio Valle-Lanfranco
Three ropes are tied in a knot as shown in the figure. One student pulls on rope A with 1.0 N of force, and
another student pulls on rope B with 7.0 N of force. How hard (magnitude) and in what direction must you
pull on rope C to balance the first two pulls? Give the direction by specifying the angle (clockwise or
counterclockwise) of the pull with the direction of rope A.
1.
Rope BX
Final formula:
Rope A X=1:0N
く
120°
Rope B = Sin s0 = Ex
Knote
7.ON
7.0u Sin 30 F = -6,9
7.0 cos 30° F - 1.1
→ Rope A
1.ON
Rope C
Rope A .0
Yope B
Required steps:
)Choose-axes
2) Find vectors components
3) Write the equation to balance the forces
4) Find the magnitude and direction of the force that pulls rope C
-6.9
1.1
2. Two boxes are connected to each other by a string as shown in the figure. The 10-N box slides without
friction on the horizontal table surface. The pulley is ideal and the string has negligible mass. What is true
about the tension T in the string?
A) T= 10 N
B) T-20 N
10N
Transcribed Image Text:Group Work #4 Show your work. No work, no credit! Son Cah toa Names Mauricio Valle-Lanfranco Three ropes are tied in a knot as shown in the figure. One student pulls on rope A with 1.0 N of force, and another student pulls on rope B with 7.0 N of force. How hard (magnitude) and in what direction must you pull on rope C to balance the first two pulls? Give the direction by specifying the angle (clockwise or counterclockwise) of the pull with the direction of rope A. 1. Rope BX Final formula: Rope A X=1:0N く 120° Rope B = Sin s0 = Ex Knote 7.ON 7.0u Sin 30 F = -6,9 7.0 cos 30° F - 1.1 → Rope A 1.ON Rope C Rope A .0 Yope B Required steps: )Choose-axes 2) Find vectors components 3) Write the equation to balance the forces 4) Find the magnitude and direction of the force that pulls rope C -6.9 1.1 2. Two boxes are connected to each other by a string as shown in the figure. The 10-N box slides without friction on the horizontal table surface. The pulley is ideal and the string has negligible mass. What is true about the tension T in the string? A) T= 10 N B) T-20 N 10N
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