Applied Mechanics and Graphic Statics A disc of mass 4 kg, radius 0.5 m and moment of inertia 3 kg.m² rolls on a horizontal surface so that its center moves with speed 5 m/see. Kinetic energy of the disc is 50 J 200 J 400 J 150 J 50 J 200 J 400 J 150 J ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the resultant of two forces ‘P’ and ‘Q’ acting at an angle ‘θ’ makes an angle ‘α’ with ‘P’, then tan α equals Q sin θ/P + Q cos θ P sin θ/P + Q tan θ Q sin θ/P + Q sin θ P sin θ/P - Q cos θ Q sin θ/P + Q cos θ P sin θ/P + Q tan θ Q sin θ/P + Q sin θ P sin θ/P - Q cos θ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A particle of mass 2 kg executes simple harmonic motion of frequency 6/71 Hz and amplitude 0.25 m. Its maximum kinetic energy is 4.5 J 18.0 J 9.0 J 12.0 J 4.5 J 18.0 J 9.0 J 12.0 J ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A string of length 90 cm is fastened to two points ‘A’ and ‘B’ at the same level 60 cm apart. A ring weighing 120 g is slided on the string. A horizontal force ‘P’ is applied to the ring such that it is in equilibrium vertically below ‘B’. The value of ‘P’ is: 80 g 100 g 40 g 60 g 80 g 100 g 40 g 60 g ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Minimum pull in a suspended cable with supports at two ends is equal to Half the weight of the cable Horizontal thrust Resultant of horizontal thrust and support reaction Support reactions Half the weight of the cable Horizontal thrust Resultant of horizontal thrust and support reaction Support reactions ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A body A of mass 6.6 kg which is lying on a horizontal platform 4.5 m from its edge is connected to the end of a light string whose other end is supporting a body of mass 3.2 kg as shown in below figure. If the friction between the platform and the body A is 1/3, the acceleration is 1.25 m/sec² 0.75 m/sec² 1.00 m/sec² 0.5 m/sec² 1.25 m/sec² 0.75 m/sec² 1.00 m/sec² 0.5 m/sec² ANSWER DOWNLOAD EXAMIANS APP