In spring balances, the spring is used

When a closely-coiied helical spring of mean diameter (D) is subjected to an axial load (W), the deflection of the spring (δ) is given by (where d = Diameter of spring wire, n = No. of turns of the spring, and C = Modulus of rigidity for the spring material)

The compressive strength of brittle materials is __________ its tensile strength.

When a rectangular beam is loaded transversely, the maximum tensile stress is developed on the

The shear force of a cantilever beam of length l and carrying a gradually varying load from zero at the free end and w per unit length at the fixed end is __________ at the fixed end.