Engineering Mechanics - Study Mode

[#251] A ladder is resting on a rough ground and leaning against a smooth vertical wall. The force of friction will act
Correct Answer

(C) Zero at its upper end

[#252] A ladder is resting on a smooth ground and leaning against a rough vertical wall. The force of friction will act
Correct Answer

(D) Upward at its upper end

[#253] The moment of inertia of a rectangular section 3 cm wide and 4 cm deep about X-X axis is
Correct Answer

(C) 16 cm 4

[#254] The product of either force of couple with the arm of the couple is called
Correct Answer

(D) Moment of the couple

[#255] The maximum acceleration of a particle moving with simple harmonic motion is
Correct Answer

(C) $${omega ^2}{ ext{r}}$$