Applied Mechanics and Graphic Statics Maximum efficiency of a screw jack for the angle of friction θ, is (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) (1 + sin θ)/(1 - sin θ) sin θ/(1 + sin θ) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If a projectile is fired with an initial velocity of 10 m/sec at an angle of 60° to the horizontal, its horizontal and vertical velocity at the highest point of trajectory are 0 and 5 m/sec 5√3 m/sec and 0 5 and 5√3 m/sec 5 m/sec and 0 0 and 5 m/sec 5√3 m/sec and 0 5 and 5√3 m/sec 5 m/sec and 0 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A 49 kg lady stands on a spring scale in an elevator. During the first 5 sec, starting from rest, the scale reads 69 kg. The velocity of the elevator will be 25 m/sec 20 m/sec 10 m/sec 15 m/sec 25 m/sec 20 m/sec 10 m/sec 15 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Impulse can be obtained from a Force-time diagram Force-displacement diagram Velocity-time diagram Velocity-displacement diagram Force-time diagram Force-displacement diagram Velocity-time diagram Velocity-displacement diagram ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The rotational velocity of a satellite is increased by 450 m per second if its launch is done from equator Westward Southward Eastward Northward Westward Southward Eastward Northward ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A 50 kg boy climbs up a 8 m rope in gymnasium in 10 sec. The average power developed by the boy is approximately 500 watts None of these 4000 watts 400 watts 500 watts None of these 4000 watts 400 watts ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS