Applied Mechanics and Graphic Statics A hoop of radius 3 m weighs 100 kg. It rolls along a horizontal floor so that at its centre of mass has a speed of 200 mm/sec. The work required to stop the hoop is 8 J 4 J 6 J 2 J 8 J 4 J 6 J 2 J ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Coefficient of friction depends on Both (A) and (B) None of these Nature of surfaces only Area of contact only Both (A) and (B) None of these Nature of surfaces only Area of contact only ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The resultant of the forces acting on a body will be zero if the body Rotates Moves with variable velocity in a straight line Moves along a curved path Does not move at all Rotates Moves with variable velocity in a straight line Moves along a curved path Does not move at all ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If a particle moves with a uniform angular velocity ‘ω’ radians/sec along the circumference of a circle of radius ‘r’, the equation for the velocity of the particle, is v = ω √(r² + y²) v = ω √(r² - y²) v = ω √(y² - r²) y = ω √(y - r) v = ω √(r² + y²) v = ω √(r² - y²) v = ω √(y² - r²) y = ω √(y - r) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Periodic time of body moving with simple harmonic motion, is Inversely proportional to its angular velocity Directly proportional to the square of its angular velocity Directly proportional to its angular velocity Inversely proportional to the square of its angular velocity Inversely proportional to its angular velocity Directly proportional to the square of its angular velocity Directly proportional to its angular velocity Inversely proportional to the square of its angular velocity ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A heavy ladder resting on a floor and against a vertical wall may not be in equilibrium, if Floor is rough and the wall is smooth Floor and wall both are smooth surfaces Floor and wall both are rough surfaces Floor is smooth and the wall is rough Floor is rough and the wall is smooth Floor and wall both are smooth surfaces Floor and wall both are rough surfaces Floor is smooth and the wall is rough ANSWER DOWNLOAD EXAMIANS APP
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