The linear velocity of a body rotating at ω rad/s along a circular path of radius r is given by ω²/r ω/r ω.r ω².r TRUE ANSWER : ? YOUR ANSWER : ?
The time of flight of a projectile on downward inclined plane depends upon Both (A) and (B) Angle of inclination of the plane None of these Angle of projection TRUE ANSWER : ? YOUR ANSWER : ?
The acceleration of a body sliding down an inclined surface is g tanθ None of these g cosθ g sinθ TRUE ANSWER : ? YOUR ANSWER : ?
Coplanar concurrent forces are those forces which Meet at one point and their lines of action also lie on the same plane Do not meet at one point and their lines of action do not lie on the same plane Do not meet at one point, but their lines of action lie on the same plane Meet at one point, but their lines of action do not lie on the same plane TRUE ANSWER : ? YOUR ANSWER : ?
The motion of a particle round a fixed axis is Translatory as well as rotary Rotary Circular Translatory TRUE ANSWER : ? YOUR ANSWER : ?
Static friction is always __________ dynamic friction. Equal to None of these Less than Greater than TRUE ANSWER : ? YOUR ANSWER : ?
The velocity of a particle (v) moving with simple harmonic motion, at any instant is given by (where, r = Amplitude of motion, and y = Displacement of the particle from mean position.) ω².√(y² - r²) ω².√(r² - y²) ω.√(r² - y²) ω.√(y² - r²) TRUE ANSWER : ? YOUR ANSWER : ?
The acceleration of a particle moving with simple harmonic motion, at any instant is given by ω.y ω2/y ω2.y ω3.y TRUE ANSWER : ? YOUR ANSWER : ?
A trolley wire weighs 1.2 kg per meter length. The ends of the wire are attached to two poles 20 meters apart. If the horizontal tension is 1500 kg find the dip in the middle of the span 3.0 cm 2.5 cm 4.0 cm 5.0 cm TRUE ANSWER : ? YOUR ANSWER : ?
The resultant of two equal forces ‘P’ making an angle ‘θ’, is given by 2P sinθ/2 2P cosθ/2 2P cotθ/2 2P tanθ/2 TRUE ANSWER : ? YOUR ANSWER : ?