Consider the Baltimore bridge truss shown in (Figure 1). Suppose that P = 2.5 kN, P2 = 5.5 kN, and P = 4 kN. Figure < 1 of 1 > 2 m 2 m DE F G P, P. P. -8@2m-16 m Part A Determine the force in member EF and state if the member is in tension or compression. Express your answer to three significant figures and include the appropriate units. Enter positive value in the case of tension ane negative value in the case of compression. E3 ? FEF Value Units Submit Reguest Anser • Part B Determine the force in member EP and state if the member is in tension or compression. Express your answer to three significant figures and include the appropriate units. Enter positive value in the case of tension and negative value in the case of compression. Value Units Submit Regvest Anse - Part C Determine the force in member KL and state if the member is in tension or compression. Express your answer to three significant figures and include the appropriate units. Enter positive value in the case of tension negative value in the case of compression. Value Units Submit Request Answer Part D Indicate all zero-force members. Check all that apply. O BN O CN O co O DO O EF O EL O EO O EP O GJ O GP O HJ O KL O LM O none

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British Gravitational Bg System Of Units

Measuring is the comparison of a particular physical quantity with its reference value. A unit is a fixed physical quantity. The length is a physical quantity. A physical quantity is the product of a unit and the numerical value we need to compare with.