Applied Mechanics and Graphic Statics The force polygon representing a set of forces in equilibrium is a Open polygon Closed polygon Parallelogram Triangle Open polygon Closed polygon Parallelogram Triangle ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Kinetic friction may be defined as Friction force acting when the body is just about to move Angle between normal reaction and resultant of normal reaction and limiting friction Friction force acting when the body is in motion Ratio of limiting friction and normal reaction Friction force acting when the body is just about to move Angle between normal reaction and resultant of normal reaction and limiting friction Friction force acting when the body is in motion Ratio of limiting friction and normal reaction ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics ‘μ’ is coefficient of friction. A wheeled vehicle travelling on a circular level track will slip and overturn simultaneously if the ratio of its wheel distance to the height of its centroid, is μ 2μ ½μ 3μ μ 2μ ½μ 3μ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Coefficient of friction depends on Both (A) and (B) Nature of surfaces only None of these Area of contact only Both (A) and (B) Nature of surfaces only None of these Area of contact only 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 The Centre of gravity of a 10 × 15 × 5 cm T section from its bottom, is 8.75 cm 7.5 cm 5.0 cm 7.85 cm 8.75 cm 7.5 cm 5.0 cm 7.85 cm ANSWER DOWNLOAD EXAMIANS APP
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