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 All of these Is independent of the area of contact, between the two surfaces 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 All of these Is independent of the area of contact, between the two surfaces ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A differential pulley block has larger and smaller diameters of 100 mm and 80 mm respectively. Its velocity ratio is 20 5 10 40 20 5 10 40 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio for the first system of pulleys is (where n is the number of pulleys.) n n² 2n 2n - 1 n n² 2n 2n - 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The center of gravity of a quadrant of a circle lies along its central radius (r) at a distance of 0.8 r 0.6 r 0.7 r 0.5 r 0.8 r 0.6 r 0.7 r 0.5 r ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The unit of work in S.I. units is kg-m Newton joule erg kg-m Newton joule erg ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a thin rod of mass 'm' and length 'l', about an axis through its centre of gravity and perpendicular to its length is ml2/8 ml2/4 ml2/12 ml2/ 6 ml2/8 ml2/4 ml2/12 ml2/ 6 ANSWER DOWNLOAD EXAMIANS APP
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