Applied Mechanics and Graphic Statics In a lifting machine with efficiency 60%, an effort of 200 N is required to raise a load of 6 kN. The velocity ratio of the machine is 60 30 80 50 60 30 80 50 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Minimum pull in a suspended cable with supports at two ends is equal to Half the weight of the cable Resultant of horizontal thrust and support reaction Horizontal thrust Support reactions Half the weight of the cable Resultant of horizontal thrust and support reaction Horizontal thrust Support reactions 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 0.5 m/sec 1.5 m/sec 3.5 m/sec 2.5 m/sec 0.5 m/sec 1.5 m/sec 3.5 m/sec 2.5 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If two forces P and Q (P > Q) act on the same straight line but in opposite direction, their resultant, is Q/P P/Q P - Q P + Q Q/P P/Q P - Q P + Q ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics In simple harmonic motion, acceleration of a particle is proportional to Direction Rate of change of velocity Displacement Velocity Direction Rate of change of velocity Displacement Velocity 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 P sin θ/P + Q tan θ Q sin θ/P + Q sin θ P sin θ/P - Q cos θ Q sin θ/P + Q cos θ P sin θ/P + Q tan θ Q sin θ/P + Q sin θ ANSWER DOWNLOAD EXAMIANS APP