Applied Mechanics and Graphic Statics If two equal forces of magnitude ‘P’ act at an angle ‘θ’, their resultant, will be P cos θ/2 2P sin θ/2 2P cos θ/2 P tan θ/2 P cos θ/2 2P sin θ/2 2P cos θ/2 P tan θ/2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Coefficient of friction depends on Nature of surfaces only Area of contact only None of these Both (A) and (B) Nature of surfaces only Area of contact only None of these Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The mechanical advantage of an ideal machine is 100. For moving the local through 2 m, the effort moves through 2 m 2.5 m 20 m 0.02 m 2 m 2.5 m 20 m 0.02 m ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The moment of inertia of a hollow circular section whose external diameter is 8 cm and internal diameter is 6 cm, about centroidal axis, is 237.5 cm⁴ 437.5 cm⁴ 137.5 cm⁴ 337.5 cm⁴ 237.5 cm⁴ 437.5 cm⁴ 137.5 cm⁴ 337.5 cm⁴ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Time of flight of a projectile on a horizontal plane, is 2u cosα/g 2u cotα/g 2u tanα/g 2u sinα/g 2u cosα/g 2u cotα/g 2u tanα/g 2u sinα/g ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A marble ball is rolled on a smooth floor of a room to hit a wall. If the time taken by the ball in returning to the point of projection is twice the time taken in reaching the wall, the coefficient of restitution between the ball and the wall, is 0.75 1.0 0.25 0.50 0.75 1.0 0.25 0.50 ANSWER DOWNLOAD EXAMIANS APP