CA Assignment 3 c By T x C xcPhysics Question l Ci x New Tab X VA Assignment 4 C

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CA Assignment 3 c By T x C xcPhysics Question l Ci x New Tab X VA Assignment 4 C www.webassign ne 15467739 t/web/Student/Assignment-Responses/last?dep 113 points. Previous Answers SerCP10 4.P.019. A 170.6 N bird feeder is supported by three cables as shown in the figure below. Find the tension in each cable. left cable Your response differs from the correct answer by more than 10%. Double check your calculations. N right cable Your response differs from the correct answer by more than 10%. Double check your calculations. N bottom cable 70.6 N 60° 30 Bird Need Help? Read It 4. 2/2 points I Previous Answers SerCP10 4.P.030 A block of mass m 5.6 kg is pulled up a 22 ncline as in the figure below with a force of magnitude F 36 N. a My Notes Ask Your Teacher My Notes Ask Your Teacher 1021 PM 1/31/2017

Explanation / Answer

F(x) = 0 = Tcos - Tcos
T = Tcos / cos…………………….(1)

The vertical forces give us this equation:

F = 0 = Tsin + Tsin - w
w = Tsin + Tsin…………………..(2)

Subbing (1) into (2) eliminates T so T may be found:

w = Tsin + (Tcos / cos)sin
w = Tsin + Tcostan
T = w / (sin + costan)
T= 170.6N / (sin60.0° + cos60.0°tan30.0°)
T= 147.75 N (Left Cable)

From (1), we can find T:

T = Tcos / cos
T = 147.75Ncos60.0° / cos30.0°
T = 85.30 N (Right Cable)

Tension in Bottom Rope = 170.6 N

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