Engineering Mechanics The static friction Bears a constant ratio to the normal reaction between the two surfaces Always acts in a direction, opposite to that in which the body tends to move Is independent of the area of contact, between the two surfaces All of these Bears a constant ratio to the normal reaction between the two surfaces Always acts in a direction, opposite to that in which the body tends to move Is independent of the area of contact, between the two surfaces All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When a body falls freely under gravitational force, it possesses __________ weight. Minimum No None of these Maximum Minimum No None of these Maximum ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Moment of inertia of a circular section about an axis perpendicular to the section is πd3/32 πd4/64 πd3/16 πd4/32 πd3/32 πd4/64 πd3/16 πd4/32 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The units of moment of inertia of mass are kg/m² m²/kg kg/m kg-m² kg/m² m²/kg kg/m kg-m² ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of percussion of the homogeneous rod of length ‘L’ suspended at the top will be L/2 3L/4 2L/3 L/3 L/2 3L/4 2L/3 L/3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A machine having an efficiency less than 50%, is known as Neither reversible nor non-reversible machine Reversible machine Ideal machine Non-reversible machine Neither reversible nor non-reversible machine Reversible machine Ideal machine Non-reversible machine ANSWER DOWNLOAD EXAMIANS APP