Question

HW Problem 2-3 Find $F_1$ that would minimize R. Take $\phi = 30^\circ$. Hints: Determine the x and y components of the resultant. Find the resultant: Answer $R = (F_1^2 - 115.7F_1 + 147600)^{1/2}$ Take the derivative of the Resultant R w.r.t. $F_1$ and set it to zero to find $F_1$ Answer: $F_1 = 57.85$ N

          HW Problem 2-3
Find $F_1$ that would minimize R.
Take $\phi = 30^\circ$.
Hints:
Determine the x and y components of
the resultant.
Find the resultant:
Answer $R = (F_1^2 - 115.7F_1 + 147600)^{1/2}$
Take the derivative of the Resultant R
w.r.t. $F_1$ and set it to zero to find $F_1$
Answer: $F_1 = 57.85$ N

HW Problem 2-3
Find F1 that would minimize R.
Take ϕ = 30^∘.
Hints:
Determine the x and y components of
the resultant.
Find the resultant:
Answer R = (F1^2 - 115.7F1 + 147600)^1/2
Take the derivative of the Resultant R
w.r.t. F1 and set it to zero to find F1
Answer: F1 = 57.85 N

Added by Michelle A.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Umar Sohail Qureshi

Step 1

However, the given equation for the resultant R seems to be incorrect. It should be R = F - 115.7F + 147600/2. To find the x and y components of the resultant, we can use the following equations: Rx = Fx - 115.7Fx Ry = Fy + 147600/2 Show more…

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Read aloud Draw HW Problem 2-3: Find F that would minimize R. Take = 30. Hints: Determine the x and y components of the resultant. Find the resultant: Answer R = F - 115.7F + 147600/2. Take the derivative of the resultant R with respect to F and set it to zero to find F. Answer F = 57.85N. F = 30 F = 200N F = 260N Decktor OneDrive 21