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 An acceleration Uniform speed Retardation Linear momentum An acceleration Uniform speed Retardation Linear momentum 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 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 Q sin θ/P + Q sin θ P sin θ/P + Q tan θ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics When a body in equilibrium undergoes an infinitely small displacement, work imagined to be done, is known as Negative work Virtual work None of these Imaginary work Negative work Virtual work None of these Imaginary work ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The member forces in a statically in determinate truss Can be obtained by graphic statics May be obtained by graphic statics Can be obtained by graphic statics by trial and error Cannot be obtained by graphic statics Can be obtained by graphic statics May be obtained by graphic statics Can be obtained by graphic statics by trial and error Cannot be obtained by graphic statics ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The equation of motion of a particle starting from rest along a straight line is x = t³ - 3t²+ 5. The ratio of the accelerations after 5 sec and 3 sec will be 5 4 3 2 5 4 3 2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A weight of 100 kg is supported by a string whose ends are attached to pegs ‘A’ and ‘B’ at the same level shown in below figure. The tension in the string is 750 kg 100 kg 120 kg 50 kg 750 kg 100 kg 120 kg 50 kg ANSWER DOWNLOAD EXAMIANS APP
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