A timber beam of rectangular section 100 mm x 50 mm is simply supported at the ends, has a 30 mm x 10 mm steel strip securely fixed to the top surface as shown in the given figure.The centroid of the "Equivalent timber beam" in this case from the tope surface

A timber beam of rectangular section 100 mm x 50 mm is simply supporte

1.	A timber beam of rectangular section 100 mm x 50 mm is simply supported at the ends, has a 30 mm x 10 mm steel strip securely fixed to the top surface as shown in the given figure.The centroid of the "Equivalent timber beam" in this case from the tope surface
A.	is 5 mm
B.	is 30 mm
C.	is 15 mm
D.	cannot be predicted
Answer» C. is 15 mm

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A timber beam of rectangular section 100 mm x 50 mm is simply supported at the ends, has a 30 mm x 10 mm steel strip securely fixed to the top surface as shown in the given figure.The centroid of the "Equivalent timber beam" in this case from the tope surface

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