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Four forces and a couple acting on a plate as shown in figure. Determine the resultant force and locate it with respect to point A.
written 8.3 years ago by gravatar for teamques10 teamques10 ★ 69k •   modified 4.9 years ago

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engineering mechanics
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written 8.3 years ago by gravatar for teamques10 teamques10 ★ 69k

enter image description here

∑fx=200cos36.87+100=260N∑fy=40−80−200sin36.87=−160N

enter image description here

R=√2602+(−160)2R=305.286Nθ=tan−1(260160)=31.61∘MA=−100×200+40×200+80×300−40×103+200sin36.87×600+200cos36.87×200MA=76×103N.mm

Let resultant act at perpendicular distance of x m from A.

$x= \dfrac {M_A}R …

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