engineering recuitment TSPSC AEE Civil Mock Test 2022 Strength of Materials Springs Closed Coil Helical Spring Under Axial Pull
A closely coiled helical spring of 20 cm mean diameter is having 25 coils of 2 cm diameter rod. The modulus of rigidity of the material is 107 N/cm2. What is the stiffness for the spring in N/cm?
1
50
2
100
3
250
4
500