A.8 cm
B.?8 cm
C.2 cm
D.20.5 cm
E.4 cm
Related Mcqs:
- A body weighing one tonne falls through 8 cm on to a spring of stiffness 500 kg/cm the spring will be compressed through
- The deformation of any structure takes place in such a manner that the work of deformation is a minimum. This is known as
- A body whose true weight is 14 kg appears to weigh 15 kg when weighed with the help of a spring balance in a moving lift. The acceleration of the lift at the time was
- A 2 kg block is dropped from a height of 4 metre onto a spring of force constant k = 1960 N/m. The spring will be compressed through
- The deformation of a steel bar under its own weight as compared to the deformation caused by a direct load equal to the weight of the shaft will be
- A block of weight 20 kg slides with an initial velocity of 2 m sec down an inclined plane on to a spring of stiffness 10 kg/cm. If the co–efficient of friction is 0.2, angle ? = 30 the ratio of maximum compession of spring, neglecting friction to that while considering friction would be
- The strain energy of the spring when it is subjected to the greatest load which the spring can carry without suffering permanent distortion is known as
- The spring constant k of a coil-spring is
- A composite spring is made by joining two springs end to end one spring having twice the stiffness of the other. The ratio of the stiffness of the composite spring to that of the stiffness of the two springs could be
- The closed-coiled helical springs are made from the same small diameter wire, one wound on 2.5 cm diameter core and the other on 1.25 cm diameter core. If each spring has n coils, the ratio of their spring constants would be
