Applied Mechanics and Graphic Statics Three forces which act on a rigid body to keep it in equilibrium. The forces must be coplanar and Concurrent parallel Parallel None of these Concurrent Concurrent parallel Parallel None of these Concurrent ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics To double the period of oscillation of a simple pendulum Its length should be doubled The mass of its bob should be doubled Its length should be quadrupled The mass of its bob should be quadrupled Its length should be doubled The mass of its bob should be doubled Its length should be quadrupled The mass of its bob should be quadrupled ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Time of flight of a projectile on a horizontal plane, is 2u tanα/g 2u cotα/g 2u cosα/g 2u sinα/g 2u tanα/g 2u cotα/g 2u cosα/g 2u sinα/g 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) sin θ/(1 + sin θ) (1 - sin θ)/sin θ (1 + sin θ)/(1 - sin θ) (1 - sin θ)/(1 + sin θ) sin θ/(1 + sin θ) (1 - sin θ)/sin θ (1 + sin θ)/(1 - sin θ) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The Centre of gravity of a 10 × 15 × 5 cm T section from its bottom, is 7.85 cm 8.75 cm 5.0 cm 7.5 cm 7.85 cm 8.75 cm 5.0 cm 7.5 cm ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A simple pendulum of length 1 has an energy E when its amplitude is A. If its amplitude is increased to 2A, the energy becomes E E/2 2E 4E E E/2 2E 4E ANSWER DOWNLOAD EXAMIANS APP