If a suspended body is struck at the center of percussion, then the pressure on die axis passing through the point of suspension will be Infinity Minimum Maximum Zero TRUE ANSWER : ? YOUR ANSWER : ?
The C.G. of a solid hemisphere lies on the central radius 3r At distance — from the plane base 3r At distance — from the plane base 3r At distance — from the plane base At distance — from the plane base 3r TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is an equation of linear motion?(where, u and v = Initial and final velocity of the body, a = Acceleration of the body, and s = Displacement of the body in time t seconds.) v = u + a.t All of these s = u.t + ½ a.t2 v2 = u2 + 2a.s TRUE ANSWER : ? YOUR ANSWER : ?
The velocity ratio in case of an inclined plane inclined at angle 'θ' to the horizontal and weight being pulled up the inclined plane by vertical effort is cosθ cosecθ sinθ tanθ TRUE ANSWER : ? YOUR ANSWER : ?
Mass moment of inertia of a uniform thin rod of mass M and length (l) about its mid-point and perpendicular to its length is (2/3) Ml² (1/3) Ml² (3/4) Ml² (1/12) Ml² TRUE ANSWER : ? YOUR ANSWER : ?
In order to double the period of simple pendulum, the length of the string should be None of these Halved Quadrupled Doubled TRUE ANSWER : ? YOUR ANSWER : ?
The linear acceleration (a) of a body rotating along a circular path of radius (r) with an angular acceleration of α rad/s2, is None of these a = r / α a = α/ r a = α.r TRUE ANSWER : ? YOUR ANSWER : ?
If the resultant of two equal forces has the same magnitude as either of the forces, then the angle between the two forces is 60° 90° 120° 30° TRUE ANSWER : ? YOUR ANSWER : ?