Applied Mechanics and Graphic Statics A system of coplanar forces is in equilibrium when Both force polygon" and funicular polygon close Funicular polygon closes All the forces are concurrent Force polygon closes Both force polygon" and funicular polygon close Funicular polygon closes All the forces are concurrent Force polygon closes ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Time of flight of a projectile on a horizontal plane, is 2u cotα/g 2u cosα/g 2u tanα/g 2u sinα/g 2u cotα/g 2u cosα/g 2u tanα/g 2u sinα/g ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For a given velocity of a projectile, the range is maximum when the angle of projection is 45° 0° 30° 90° 45° 0° 30° 90° ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Maximum efficiency of a screw jack for the angle of friction θ, is (1 + sin θ)/(1 - sin θ) (1 - sin θ)/(1 + sin θ) (1 - sin θ)/sin θ sin θ/(1 + sin θ) (1 + sin θ)/(1 - sin θ) (1 - sin θ)/(1 + sin θ) (1 - sin θ)/sin θ sin θ/(1 + sin θ) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For a non-concurrent force system to be in equilibrium Only the closure of force polygon is sufficient None of these Only the closure of funicular polygon is sufficient Both force polygon and funicular polygon must close Only the closure of force polygon is sufficient None of these Only the closure of funicular polygon is sufficient Both force polygon and funicular polygon must close 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 80 m/sec 75 m/sec 90 m/sec 70 m/sec 80 m/sec 75 m/sec 90 m/sec 70 m/sec ANSWER DOWNLOAD EXAMIANS APP
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