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nevsk [136]
2 years ago
11

Determine the cutting force f exerted on the rod s in terms of the forces p applied to the handles of the heavy-duty cutter.

Physics
2 answers:
Vladimir79 [104]2 years ago
6 0
CASE 1: Direction vertically downward on the blade 

<span>Assume pin force at E acts downward on the blade and </span><span>CW is a positive moment </span>
<span>Ey[3.4] - F[1.7] = 0 </span>
<span>Ey = F/2 </span>

Case 2: Direction vertically upward on the blade <span>. Assume CW is positive moment </span>

<span>Ey[1.5sin19] – P[21 – 1.5sin19] = 0 </span>
<span>(F/2)[1.5sin19] = P[21 – 1.5sin19] </span>
<span>F = 2P[21 – 1.5sin19] / [1.5sin19] </span>
<span>F = 84P </span>
Alexus [3.1K]2 years ago
5 0
If you use the next formula with the data given in the exercise you are asking:
Ey[3.4] - F[1.7] = 0 
<span>Ey = F/2 
</span>and after that what you need to do is sum the moments of the handle about D to zero asumming it is a positive moment and we proceed like this
Ey[1.5sin19] – P[21 – 1.5sin19] = 0 
<span>(F/2)[1.5sin19] = P[21 – 1.5sin19] </span>
<span>F = 2P[21 – 1.5sin19] / [1.5sin19] </span>
<span>F = 84P </span>
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