Correct option is B
The SI unit of stress is the Pascal (Pa). Stress is defined as force per unit area applied to an object. It is a fundamental concept in physics and engineering to describe material deformation under load.
Key points:
● Stress is calculated as Stress=ForceArea\text{Stress} = \frac{\text{Force}}{\text{Area}}Stress=(Force)/(Area)
● Pascal (Pa) is equivalent to one Newton per square meter (1Pa=1N/m21 \, \text{Pa} = 1 \, \text{N/m}^21Pa=1N/m2).
● Stress is categorized into tensile, compressive, and shear stress based on the type of force.
● The study of stress is crucial for material strength and structural design.
● High stress can cause material failure, leading to fractures or deformation.
● Stress analysis helps ensure safety in engineering applications.
Additional Information:
- Joule is the unit of energy.
- Volt is the unit of electric potential.
- Watt is the unit of power.
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