Engineering Mechanics The moment of inertia of a thin spherical shell of mass m and radius r, about its diameter is mr²/3 2mr²/5 2mr²/3 3mr²/5 mr²/3 2mr²/5 2mr²/3 3mr²/5 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Two forces are acting at an angle of 120°. The bigger force is 40 N and the resultant is perpendicular to the smaller one. The smaller force is 20 N 40 N 120 N None of the listed here 20 N 40 N 120 N None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A machine having an efficiency greater than 50%, is known as Ideal machine Reversible machine Neither reversible nor non-reversible machine Non-reversible machine Ideal machine Reversible machine Neither reversible nor non-reversible machine Non-reversible machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The rate of change of momentum is directly proportional to the impressed force, and takes place in the same direction in which the force acts. This statement is known as Newton's third law of motion Newton's second law of motion None of these Newton's first law of motion Newton's third law of motion Newton's second law of motion None of these Newton's first law of motion ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of percussion of the homogeneous rod of length ‘L’ suspended at the top will be 3L/4 L/3 L/2 2L/3 3L/4 L/3 L/2 2L/3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In ideal machines, mechanical advantage is __________ velocity ratio. Less than Greater than Equal to None of these Less than Greater than Equal to None of these ANSWER DOWNLOAD EXAMIANS APP
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