Applied Mechanics and Graphic Statics The apparent weight of a man in a moving lift is less than his real weight when it is going down with Linear momentum Uniform speed Retardation An acceleration Linear momentum Uniform speed Retardation An acceleration 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 cos θ P sin θ/P + Q tan θ Q sin θ/P + Q sin θ Q sin θ/P + Q cos θ P sin θ/P - Q cos θ P sin θ/P + Q tan θ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics One Newton is equivalent to 1/9.81 kg. wt 9.81 kg. wt 1 kg. wt 981 dyne 1/9.81 kg. wt 9.81 kg. wt 1 kg. wt 981 dyne ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The condition of equilibrium for any system of forces in a plane is None of these Both (A) and (B) That resultant couple must be zero That polygon of forces must close None of these Both (A) and (B) That resultant couple must be zero That polygon of forces must close ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A block of weight 50 kg is placed on a horizontal plane. When a horizontal force of 18 kg is applied, the block is just on the point of motion. The angle of friction is 20° 48' 19° 48' 18° 48' 17° 48' 20° 48' 19° 48' 18° 48' 17° 48' ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If two forces each equal to ‘T’ in magnitude act at right angles, their effect may be neutralized by a third force acting along their bisector in opposite direction whose magnitude will be 2 T √2 T 3 T 1/2 T 2 T √2 T 3 T 1/2 T ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS