The center of percussion of the homogeneous rod of length L suspended at the top will be L/3 2L/3 3L/4 L/2 TRUE ANSWER : ? YOUR ANSWER : ?
A heavy string attached at two ends at same horizontal level and when central dip is very small approaches the following curve catenary hyperbola elliptical parabola TRUE ANSWER : ? YOUR ANSWER : ?
A particle inside a hollow sphere of radius r, having coefficient of friction -rr can rest upto height of 0.134 r r/% r/2 r/A TRUE ANSWER : ? YOUR ANSWER : ?
The magnitude of two forces, which when acting at right angle produce resultant force of VlOkg and when acting at 60° produce resultant of Vl3 kg. These forces are 3 and 1 kg V5 and V5 2 and V6 2 and 5 TRUE ANSWER : ? YOUR ANSWER : ?
The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is as per the principle of balance of force independence of forces resolution of forces. forces TRUE ANSWER : ? YOUR ANSWER : ?
The coefficient of friction depends on nature of surface strength of surfaces shape of surfaces area of contact TRUE ANSWER : ? YOUR ANSWER : ?
In the equation of virtual work, following force is neglected reaction of any smooth surface with which the body is in contact All of the listed here reaction at a point or an axis, fixed in space, around which a body is con-strained to turn reaction of a rough surface of a body which rolls on it without slipping TRUE ANSWER : ? YOUR ANSWER : ?
A body moves, from rest with a constant acceleration of 5 m per sec. The distance covered in 5 sec is most nearly 96 m 124 m 38 m 62.5 m TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following do not have identical dimensions? Momentum and impulse Torque and energy Torque and work Moment of a force and angular momentum TRUE ANSWER : ? YOUR ANSWER : ?
A framed structure is perfect if it contains members equal to (where n = number of joints in a frame) 2n-l n-l n-2 2n-3 TRUE ANSWER : ? YOUR ANSWER : ?