Engineering Mechanics A ladder is resting on a smooth ground and leaning against a rough vertical wall. The force of friction will act Towards the wall at its upper end Away from the wall at its upper end Upward at its upper end Downward at its upper end Towards the wall at its upper end Away from the wall at its upper end Upward at its upper end Downward at its upper end ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a number of forces are acting at a point, their resultant will be inclined at an angle 'θ' with the horizontal, such that tanθ = ΣH/ΣV tanθ = ΣV × ΣH tanθ = √(ΣV + ΣH) tanθ = ΣV/ΣH tanθ = ΣH/ΣV tanθ = ΣV × ΣH tanθ = √(ΣV + ΣH) tanθ = ΣV/ΣH ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The range of a projectile is maximum, when the angle of projection is 60° 90° 45° 30° 60° 90° 45° 30° ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The impact between two lead spheres is approximately equal to an __________ impact. Solid None of these Inelastic Elastic Solid None of these Inelastic Elastic ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Coefficient of friction depends upon None of these Area of contact only Both (A) and (B) Nature of surface only None of these Area of contact only Both (A) and (B) Nature of surface only ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The ideal angle of banking provided on the curves on roads depends upon Nature of the road surface Coefficient of friction between the road and vehicle contact point (Velocity)2 of the vehicle Weight of the vehicle Nature of the road surface Coefficient of friction between the road and vehicle contact point (Velocity)2 of the vehicle Weight of the vehicle ANSWER DOWNLOAD EXAMIANS APP