A wire is stretched by a force F which causes an extension 1. The energy stored in the wire is____________________? A. The extension of the wire is proportional to the force applied B. The weight of the wire is negligible…
The ration stress to strain in youngs modulus of the material then tension is__________________? A. Directly proportional to extension B. Directly proportional to strain C. Directly proportional to square of amplitude D. Inversely proportional to extension
A certain stress applied to an elastic material produces a certain strain in it. If the elastic limit is not exceeded the energy gained per unit volume of the material is given by_________________? A. Stress/strain B. (stress/strain) C. Stress x…
A wire suspended vertically from one end is stretched by attaching a weight of 20N to the lower end. The weight stretches the wire by 1mm. How much energy is gained by the wire ? A. 0.01J B. 0.02J C.…
When a force is applied at one end of an elastic wire it produces at strain ∝ in the wire. If y is the youngs modulus of the material of the wire the amount of energy stored per unit volume…
A wire of length L is stretched by a length E when a force F is applied at one end. If the elastic limit is not exceeded the amount of energy stored in the wire is_________________? A. FEB. (FE) C.…
Which one of the following physical quantities does not have the dimensions of force per unit area ? A. StressB. Strain C. Youngs modulus D. Pressure
What are the dimensions of stress ? A. MLT-2 B. ML-2T-1C. ML-1T-2 D. ML-T-1
Which of the following substances posses the highest elasticity ? A. RubberB. Steel C. Glass D. Copper