Applied Mechanics and Graphic Statics The equation of motion of a particle starting from rest along a straight line is x = t³ - 3t²+ 5. The ratio of the accelerations after 5 sec and 3 sec will be 3 2 4 5 3 2 4 5 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics When a circular wheel rolls on a straight track, then the shape of body centrode and space centrode respectively are Circle and parabola Straight line and parabola Straight line and circle Circle and straight line Circle and parabola Straight line and parabola Straight line and circle Circle and straight line ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The angular speed of a car taking a circular turn of radius 100 m at 36 km/hr will be 100 rad/sec 1 rad/sec 0.1 rad/sec 10 rad/sec 100 rad/sec 1 rad/sec 0.1 rad/sec 10 rad/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The dimensions of centrifugal force are M’L-‘T2 M1 L2 T2 M’L’T1 M’L’T2 M’L-‘T2 M1 L2 T2 M’L’T1 M’L’T2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics ‘ω’ rad/sec is the angular velocity of a crank whose radius is ‘r’. If it makes θ° with inner dead centre and obliquity of the connecting rod ‘l’ is ‘ϕ’, the velocity v of the piston, is given by the equation ω² (l sin ϕ + r cos φ tan θ) ω² (l cos ϕ + r sin ϕ tan θ) ω² (l sin ϕ - r cos θ tan ϕ) ω (l sin ϕ + r cos ϕ tan θ) ω² (l sin ϕ + r cos φ tan θ) ω² (l cos ϕ + r sin ϕ tan θ) ω² (l sin ϕ - r cos θ tan ϕ) ω (l sin ϕ + r cos ϕ tan θ) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The characteristic of a couple is: A couple can be never the balanced by a single force Algebraic sum of moments of forces, constituting a couple, about any point, is same All listed here Algebraic sum of forces, constituting a couple is zero A couple can be never the balanced by a single force Algebraic sum of moments of forces, constituting a couple, about any point, is same All listed here Algebraic sum of forces, constituting a couple is zero ANSWER DOWNLOAD EXAMIANS APP