Strength Of Materials In Me - Study Mode

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[#226] The shear force at the center of a simply supported beam with a gradually varying load from zero at both ends to w per meter at the center, is

(A) Zero

(B) $$frac{{{ ext{w}}l}}{4}$$

(C) $$frac{{{ ext{w}}l}}{2}$$

(D) $$frac{{{ ext{w}}{l^2}}}{2}$$

Correct Answer

(A) Zero

[#227] The bending moment of a cantilever beam of length $$l$$ and carrying a gradually varying load from zero at free end and w per unit length at the fixed end is ________ at the fixed end.

(A) $$frac{{{ ext{w}}l}}{2}$$

(B) $${ ext{w}}l$$

(C) $$frac{{{ ext{w}}{l^2}}}{2}$$

(D) $$frac{{{ ext{w}}{l^2}}}{6}$$

Correct Answer

(D) $$frac{{{ ext{w}}{l^2}}}{6}$$

[#228] The shear force of a cantilever beam of length $$l$$ and carrying a gradually varying load from zero at the free end and w per unit length at the fixed end is _________ at the fixed end.

(A) Zero

(B) $$frac{{{ ext{w}}l}}{4}$$

(C) $$frac{{{ ext{w}}l}}{2}$$

(D) $${ ext{w}}l$$

Correct Answer

(C) $$frac{{{ ext{w}}l}}{2}$$

[#229] The shear force of a cantilever beam of length $$l$$ carrying a uniformly distributed load of w per unit length is __________ at the fixed end.

(A) Zero

(B) $$frac{{{ ext{w}}l}}{4}$$

(C) $$frac{{{ ext{w}}l}}{2}$$

(D) $${ ext{w}}l$$

Correct Answer

(D) $${ ext{w}}l$$

[#230] The bending moment of a cantilever beam of length '$$l$$' and carrying a uniformly distributed load of 'w' per unit length is __________ at the fixed end.

(A) $$frac{{{ ext{w}}l}}{4}$$

(B) $$frac{{{ ext{w}}l}}{2}$$

(C) $${ ext{w}}l$$

(D) $$frac{{{ ext{w}}{l^2}}}{2}$$

Correct Answer

(D) $$frac{{{ ext{w}}{l^2}}}{2}$$