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Can I got help how can we solve question (2) in this question angle alpha that minimize the forece P ?????? 

Figure Q1(b) shows a trolley which carries two forces of magnitudes 1600 N and P (N). The force P makes angle a = 25° with the vertical direction in the configuration shown in the figure. Calculate the magnitude of the force P so that the resultant force is vertically downwards. 22 2.Calculate the value of the angle a in Figure Q1(b) that will minimize the magnitude of the force P so that the resultant force is vertically downwards. 15°L 1600 N Figure Q1(b)
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Transcribed Image Text:Figure Q1(b) shows a trolley which carries two forces of magnitudes 1600 N and P (N). The force P makes angle a = 25° with the vertical direction in the configuration shown in the figure. Calculate the magnitude of the force P so that the resultant force is vertically downwards. 22 2.Calculate the value of the angle a in Figure Q1(b) that will minimize the magnitude of the force P so that the resultant force is vertically downwards. 15°L 1600 N Figure Q1(b)
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