Applied Mechanics and Graphic Statics If two equal forces of magnitude ‘P’ act at an angle ‘θ’, their resultant, will be 2P cos θ/2 P cos θ/2 P tan θ/2 2P sin θ/2 2P cos θ/2 P cos θ/2 P tan θ/2 2P sin θ/2 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 A system of coplanar forces acting on a rigid body can be reduced to One force only One couple only One force and one couple only None of these One force only One couple only One force and one couple only None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A load of 500 kg was lifted through a distance of 13 cm. by an effort of 25 kg which moved through a distance of 650 cm. The efficiency of the lifting machine is 0.55 0.4 0.5 0.3 0.55 0.4 0.5 0.3 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Time period and length of a second’s pendulum respectively are 1 sec and 99.4 cm 2 sec and 99.4 cm 1 sec and 92.7 cm 2 sec and 92.7 cm 1 sec and 99.4 cm 2 sec and 99.4 cm 1 sec and 92.7 cm 2 sec and 92.7 cm ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For a self-locking machine, the efficiency should be Less than 60% More than 50% None of these 0.5 Less than 60% More than 50% None of these 0.5 ANSWER DOWNLOAD EXAMIANS APP
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