Periodic time of a particle moving with simple harmonic motion is the time taken by the particle for None of these Half oscillation Complete oscillation Quarter oscillation TRUE ANSWER : ? YOUR ANSWER : ?
The condition of equilibrium for any system of forces in a plane is That polygon of forces must close Both (A) and (B) That resultant couple must be zero None of these TRUE ANSWER : ? YOUR ANSWER : ?
A retarding force on a body does not Introduce the motion of the body Retard the motion of the body None of these Change the motion of the body TRUE ANSWER : ? YOUR ANSWER : ?
The ratio of the ranges on the inclined plane with motion upward and with motion downward for a given velocity, angle of projection will be sin (α + β)/sin (α - β) tan (α - β)/tan (α + β) cos (α - β)/cos (α + β) sin (α - β)/sin (α + β) TRUE ANSWER : ? YOUR ANSWER : ?
A disc of mass 4 kg, radius 0.5 m and moment of inertia 3 kg.m² rolls on a horizontal surface so that its center moves with speed 5 m/see. Kinetic energy of the disc is 50 J 200 J 150 J 400 J TRUE ANSWER : ? YOUR ANSWER : ?
The dimensions of Gravitational Universal constant ‘G’ are M1L3T2 M-1L2r2 M-2L3T2 M-1L3r2 TRUE ANSWER : ? YOUR ANSWER : ?
A projectile is fired at an angle ‘θ’ to the vertical. Its horizontal range will be maximum when ‘θ’ is 0° 30° 45° 90° TRUE ANSWER : ? YOUR ANSWER : ?
The apparent weight of a man in a moving lift is less than his real weight when it is going down with Retardation Linear momentum Uniform speed An acceleration TRUE ANSWER : ? YOUR ANSWER : ?
A point subjected to a number of forces will be in equilibrium, if Algebraic sum of the moments of the forces about the point is zero Sum of resolved parts in any two directions at right angles, are both zero Algebraic sum of the forces is zero Two resolved parts in any two directions at right angles are equal TRUE ANSWER : ? YOUR ANSWER : ?