Applied Mechanics and Graphic Statics If two forces acting at a point are in equilibrium, they must be equal in magnitude and their line of action must be along The same line in opposite sense The same line in the same sense The perpendicular to both the lines None of these The same line in opposite sense The same line in the same sense The perpendicular to both the lines None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For a self-locking machine, the efficiency should be More than 50% None of these 0.5 Less than 60% More than 50% None of these 0.5 Less than 60% ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics One end of an elastic string of natural length ‘l’ and modulus ‘X’ is kept fixed while to the other end is attached a particle of mass m which is hanging freely under gravity. The particle is pulled down vertically through a distance ‘x’, held at rest and then released.The motion is A damped oscillatory motion A simple harmonic motion A rectilinear motion with constant speed None of these A damped oscillatory motion A simple harmonic motion A rectilinear motion with constant speed None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For a simple pendulum, time period for a beat, is π √(g/2l) π √(l/2g) π √(2l/g) π √(l/g) π √(g/2l) π √(l/2g) π √(2l/g) π √(l/g) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A projectile is fired with a velocity of 100.3 m/sec. at an elevation of 60°. The velocity attained by the projectile when it is moving at a height of 100 m, is 70 m/sec 80 m/sec 90 m/sec 75 m/sec 70 m/sec 80 m/sec 90 m/sec 75 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The resultant of two forces acting at right angles is √34 kg and acting at 60° is 70 kg. The forces are √3 kg and √5 kg 3 kg and 5 kg 2 kg and 3 kg 1 kg and 4 kg √3 kg and √5 kg 3 kg and 5 kg 2 kg and 3 kg 1 kg and 4 kg ANSWER DOWNLOAD EXAMIANS APP
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