A cube on a smooth horizontal surface___________________?
When two forces, each equal to P, act at 90° to each other, then the resultant will be_____________?
A rod AB carries three loads of 30 N, 70 N and 100 N at distances of 20 mm, 90 mm and 150 mm respectively from A. Neglecting the weight of the rod, the point at which the rod will balance is_______________?
If A is the amplitude of particle executing simple harmonic motion, then the total energy E of the particle is___________________?
A stone is thrown up a slope of inclination 60° to the horizontal. At what angle to the slope must the stone be thrown so as to land as far as possible from the point of projection ?
If a projectile is fired with an initial velocity of 10 m/sec at an angle of 60° to the horizontal, its horizontal and vertical velocity at the highest point of trajectory are___________________?
A projectile has maximum range of 40 m on a horizontal plane. If angle of projection is a and the time of flight is 1 second, then sin a must be about__________________?
The maximum value of the horizontal range for a projectile projected with a velocity of 98 m/sec is__________________?
For a given velocity of a projectile, the range is maximum when the angle of projection is___________________?
When a circular wheel rolls on a straight track, then the shape of body centrode and space centrode respectively are________________?
