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(a.) Find the forc FT,1 in the cord that is required to hold theframe in this po

ID: 1753632 • Letter: #

Question

(a.) Find the forc FT,1 in the cord that is required to hold theframe in this position. Answer in units of N. (b.) Find the force FT,2 in the cord that is required to hold theframe in this position. Answer in units of N. (c.) Find the magnitude of the horizontal force at P that isrequired to hold the frame in this position. Answer in units ofN. (2.) A uniform 14.7 N picture frame is supported as shown. (a.) Find the forc FT,1 in the cord that is required to hold theframe in this position. Answer in units of N. (b.) Find the force FT,2 in the cord that is required to hold theframe in this position. Answer in units of N. (c.) Find the magnitude of the horizontal force at P that isrequired to hold the frame in this position. Answer in units ofN.

Explanation / Answer

resolve into x and y components. Fx = F1cos50 - F = 0 Fy = F1sin50 + F2 - 14.7 N = 0 For the arrangement to be static. Now, balancing the torque about left-bottom corner, F2*0 + F*0 - F1*cos50*0.18 + F1*sin50*0.36 - 14.7*0.18 Nm =0 So, F = F1cos50 F2 = 14.7 - F1sin50 2F1sin50 - F1cos50 = 14.7 (a) => F1 = 14.7/(2sin50 - cos50) = 16.53 N (b) F2 = 14.7 - F1sin50 = 2.037 N (c) F = F1cos50 = 10.625 N