Applied Mechanics and Graphic Statics In SI units, the units of force and energy are respectively kg wt and joule Dyne and erg Newton and watt Newton and joule kg wt and joule Dyne and erg Newton and watt Newton and joule 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 Rotates Moves along a curved path Does not move at all Moves with variable velocity in a straight line Rotates Moves along a curved path Does not move at all ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A circular disc rotates at n rpm. The angular velocity of a circular ring of same mass and radius as the disc and to have the same angular momentum is n/2 rpm n rpm 2n rpm n/4 rpm n/2 rpm n rpm 2n rpm n/4 rpm ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If a body is lying on a plane whose inclination with the horizontal is less than the angle of friction, theni. a force is required to move the body upwardsii. a force is required to move the body downwardiii. the body will not be in equilibriumThe correct answer is both (i) and (ii) only (i) only (ii) both (i) and (iii) both (i) and (ii) only (i) only (ii) both (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the angle of projection is double the angle of inclination (α) of the plane on which particle is projected, the ratio of times of flight up the inclined plane and down the inclined plane, will be ½ tan α ½ cos α 2 cos α ½ sin α ½ tan α ½ cos α 2 cos α ½ sin α ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A ball moving with a velocity of 5 m/sec impinges a fixed plane at an angle of 45° and its direction after impact is equally inclined to the line of impact. If the coefficient of restitution is 0.5, the velocity of the ball after impact will be 3.5 m/sec 2.5 m/sec 1.5 m/sec 0.5 m/sec 3.5 m/sec 2.5 m/sec 1.5 m/sec 0.5 m/sec ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS