The numbers of funicular polygons which can be drawn to pass through two specified points in the space diagram are 1 2 Infinity Zero TRUE ANSWER : ? YOUR ANSWER : ?
The centre of gravity of the trapezium as shown in below figure from the side is at a distance of (h/3) × [(b + 2a)/(b + a)] (h/2) × [(2b + a)/(b + a)] (h/3) × [(2b + a)/(b + a)] (h/2) × [(b + 2a)/(b + a)] TRUE ANSWER : ? YOUR ANSWER : ?
From the circular plate of a diameter 6 cm is cut out a circular plate whose diameter is equal to radius of the plate. The C.G. of the remainder shifts from the original position through 0.75 cm 0.50 cm 1.00 cm 0.25 cm TRUE ANSWER : ? YOUR ANSWER : ?
Two objects moving with uniform speeds are 5 m apart after 1 second when they move towards each other and are 1 m apart when they move in the same direction.The speeds of the objects are: 2 m/sec and 2 m/sec 3 m/sec and 3 m/sec 4 m/sec and 6 m/sec 3 m/sec and 2 m/sec TRUE ANSWER : ? YOUR ANSWER : ?
The acceleration of a train starting from rest at any instant is 1/6(V + 1) m/sec² where ‘V’ is the velocity of the train in m/sec. The train will attain a velocity of 36 km/hour after travelling a distance of 2200 m 2000 m 2100 m 2300 m TRUE ANSWER : ? YOUR ANSWER : ?
A projectile is fired with a velocity of 100.3 m/sec. at an elevation of 60°. The velocity attained by the projectile when it is moving at a height of 100 m, is 90 m/sec 75 m/sec 80 m/sec 70 m/sec TRUE ANSWER : ? YOUR ANSWER : ?
One end of an elastic string of natural length ‘l’ and modulus ‘X’ is kept fixed while to the other end is attached a particle of mass m which is hanging freely under gravity. The particle is pulled down vertically through a distance ‘x’, held at rest and then released.The motion is A rectilinear motion with constant speed A damped oscillatory motion A simple harmonic motion None of these TRUE ANSWER : ? YOUR ANSWER : ?
For a simple pendulum, the period of one oscillation is 2π √(g/2l) 2π √(l/2g) 2π √(l/g) 2π √(2g/l) TRUE ANSWER : ? YOUR ANSWER : ?
The Centre of gravity of a 10 × 15 × 5 cm T section from its bottom, is 5.0 cm 7.85 cm 8.75 cm 7.5 cm TRUE ANSWER : ? YOUR ANSWER : ?
An ordinate in a funicular polygon represents Bending moment Resultant force Shear force Equilibrium TRUE ANSWER : ? YOUR ANSWER : ?