Name:Sectioln: Date: u need ruler and protractor to complete pre lab Two people

Question

Name:Sectioln: Date: u need ruler and protractor to complete pre lab Two people are pulling a box with two different forces Fi has a magnitude of 2.00 N and acts at 50° and F2 has a magnitude of 5.00 N and acts at 300 Use the head to tail method and RULER AND PROTRACTOR to add the the magnitude and direction of the resultant : A+B-R. For each vector show on the picture the x and y components Use 1cm-1.00N conversion factor. two vectors and find 2. Use the component method to find the force E that equilibrate the system: A+B+E-0 x-component y-component F2 3. How are the equilibrant and resultant related. Explain.

Explanation / Answer

given F1 = 2 N at 50 deg

and F2 = 5 N at 300 deg

resolving into components

F1x = F1cos theta = 2 cos 50 = 1.285 N --> x comp of F1

F1y = F1 sin 50 = 2 sin 50 = 1.532 N ----> y comp of F2

F2x = F2Cos theta = 5* cos 300 = 2.5 N ----- x comp of F2

F2y = F2sin theta = -4.33 N ---------> y comp of F2

total Fx = F1x + F2x = 1.285 +2.5 = 3.785 N

total Fy = F1y + F2y = 1.532 -4.33 = -2.798 N

Fnet = Fx + Fy

Fnet = 3.785 i -2.798j

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if A+ B + E = 0

E = -(A+B)

E = -3.785 i + 2.798j

thus A+ B is related to E as A+B = - E

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