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 If the horizontal range is 2.5 times the greatest height, the angle of projection of the projectile, is 57° 58° 59° 60° 57° 58° 59° 60° ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics On a ladder resting on a rough ground and leaning against a smooth vertical wall, the force of friction acts Zero at its upper end Upwards at its upper end Downwards at its upper end Perpendicular to the wall at its upper end Zero at its upper end Upwards at its upper end Downwards at its upper end Perpendicular to the wall at its upper end ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The velocity of a body fallen from height ‘h’, on reaching the ground is given by v = √(2gh) v = 2gh v = 1/√(2gh) v = 2gh² v = √(2gh) v = 2gh v = 1/√(2gh) v = 2gh² ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the resultant of two forces ‘P’ and ‘Q’ acting at an angle ‘θ’ makes an angle ‘α’ with ‘P’, then tan α equals Q sin θ/P + Q sin θ P sin θ/P + Q tan θ P sin θ/P - Q cos θ Q sin θ/P + Q cos θ Q sin θ/P + Q sin θ P sin θ/P + Q tan θ P sin θ/P - Q cos θ Q sin θ/P + Q cos θ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Two particles have been projected at angles 64° and 45° to the horizontal. If the velocity of projection of first is 10 m/sec, the velocity of projection of the other for equal horizontal ranges is 8.3 m/sec 9.3 m/sec 7.3 m/sec 6.3 m/sec 8.3 m/sec 9.3 m/sec 7.3 m/sec 6.3 m/sec ANSWER DOWNLOAD EXAMIANS APP
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