Applied Mechanics and Graphic Statics The locus of the instantaneous centre of a moving rigid body, is Straight line Spiral Centroid Involute Straight line Spiral Centroid Involute 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 0.50 1.0 0.25 0.75 0.50 1.0 0.25 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The displacement of a particle which moves along a straight line is given by S = 4t³ + 3t²- 10 where ‘S’ is in meters and t is in seconds. The time taken by the particle to acquire a velocity of 18 m/sec from rest, is 1 sec 1.5 sec ½ sec 1.2 sec 1 sec 1.5 sec ½ sec 1.2 sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The resultant of the forces acting on a body will be zero if the body Moves with variable velocity in a straight line Does not move at all Rotates Moves along a curved path Moves with variable velocity in a straight line Does not move at all Rotates Moves along a curved path 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 Q sin θ/P + Q cos θ P sin θ/P + Q tan θ P sin θ/P - Q cos θ Q sin θ/P + Q sin θ Q sin θ/P + Q cos θ P sin θ/P + Q tan θ P sin θ/P - Q cos θ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Cartesian form of the equation of catenary is y = c cosh x/c y = c sinh x/c y = c tan x/c y = c sin x/c y = c cosh x/c y = c sinh x/c y = c tan x/c y = c sin x/c ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS