Applied Mechanics and Graphic Statics If a particle moves with a uniform angular velocity ‘ω’ radians/sec along the circumference of a circle of radius ‘r’, the equation for the velocity of the particle, is v = ω √(r² + y²) v = ω √(y² - r²) v = ω √(r² - y²) y = ω √(y - r) v = ω √(r² + y²) v = ω √(y² - r²) v = ω √(r² - y²) y = ω √(y - r) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The dimensions of centrifugal force are M’L’T1 M’L-‘T2 M’L’T2 M1 L2 T2 M’L’T1 M’L-‘T2 M’L’T2 M1 L2 T2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A train weighing 196 tonnes experiences a frictional resistance of 5(11/22) per tonne. The speed of the train at the top of a down gradient 1 in 78.4 is 36 km/hour. The speed of the train after running 1 km down the slope, is 10 √5 m/sec 5 √10 m/sec 3 √5 m/sec 5 √3 m/sec 10 √5 m/sec 5 √10 m/sec 3 √5 m/sec 5 √3 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics When a body slides down an inclined surface, the acceleration (f) of the body, is given by f = g cos θ f = g f = g sin θ f = g tan θ f = g cos θ f = g f = g sin θ f = g tan θ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Two shots fired simultaneously from the top and bottom of a vertical tower with elevations of 30° and 45° respectively strike a target simultaneously. If horizontal distance of the target from the tower is 1000 m, the height of the tower is 425 m 400 m 375 m 350 m 425 m 400 m 375 m 350 m ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A rigid body is in a stable equilibrium if the application of any force Tends to lower the CG of the body Neither raises nor lowers the CG of the body Can raise the CG of the body but cannot lower it None of above Tends to lower the CG of the body Neither raises nor lowers the CG of the body Can raise the CG of the body but cannot lower it None of above ANSWER DOWNLOAD EXAMIANS APP