Question No : 1
The force applied on a body of mass 100 kg to produce an acceleration of 5 m/s2, is
Question No : 2
The velocity ratio for the first system of pulleys is (where n is the number of pulleys.)
Question No : 3
For a self locking machine, the efficiency must be
Question No : 4
The forces, which meet at one point, but their lines of action do not lie in a plane, are called
Question No : 5
Least force required to draw a body up the inclined plane is W sin (plane inclination + friction angle) applied in the direction
Question No : 6
In a single threaded worm and worm wheel, the number of teeth on the worm is 50. The diameter of the effort wheel is 100 mm and that of load drum is 50 mm. The velocity ratio is
Question No : 7
The term 'Centroid' is