Applied Mechanics and Graphic Statics The moment of inertia of a hollow circular section whose external diameter is 8 cm and internal diameter is 6 cm, about centroidal axis, is 137.5 cm⁴ 337.5 cm⁴ 437.5 cm⁴ 237.5 cm⁴ 137.5 cm⁴ 337.5 cm⁴ 437.5 cm⁴ 237.5 cm⁴ 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 The mechanical advantage of an ideal machine is 100. For moving the local through 2 m, the effort moves through 2 m 20 m 0.02 m 2.5 m 2 m 20 m 0.02 m 2.5 m ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If y is force and x is velocity, then dimensions of —=r are dx2 M’L-‘T0 M2L’T3 M’L-‘T1 M’^T’ M’L-‘T0 M2L’T3 M’L-‘T1 M’^T’ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The force polygon representing a set of forces in equilibrium is a Triangle Parallelogram Open polygon Closed polygon Triangle Parallelogram Open polygon Closed polygon ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A ball of mass 1 kg moving with a velocity of 2 m/sec collides a stationary ball of mass 2 kg and comes to rest after impact. The velocity of the second ball after impact will be 0.5 m/sec 1.0 m/sec 2.0 m/sec Zero 0.5 m/sec 1.0 m/sec 2.0 m/sec Zero ANSWER DOWNLOAD EXAMIANS APP