A beam has a rectangular cross section that is 5 inches wide and 1.5 inches tall. The supports are 60 inches apart and with a 125 lb person standing in the middle of the beam and it deflects .15 in.

Find the modulus of elasticity

Find the beam deflection

The value of Modulus of elasticity E = 85.33 ×

Beam deflection is = 0.15 in

Explanation:

Given data

width = 5 in

Length = 60 in

Mass of the person = 125 lb

Load = 125 × 32 = 4000

We know that moment of inertia is given as

I = 1.40625

Deflection = 0.15 in

We know that deflection of the beam in this case is given as

Δ =

E = 85.33 ×

This is the value of Modulus of elasticity.

Beam deflection is = 0.15 in

1

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