📌Basic terms for Mechanics

🚧1. Torque or Turning Force

➡️It is the total amount of force which is required to create acceleration on moving substance.

🚧2. Couple

➡️Two forces those acts on equally, parallely & oppositely on two separate points of same material.

🚧3. Moment

➡️It is the amount of moving effect which is gained for action of turning force.

🚧4. Stress

➡️It is the force that can prevent equal & opposite force.

➡️That means, it is the preventing force.

➡️If one force acts on outside of a material, then a reactive force automatically acts to protest that force.

➡️The amount of reactive force per unit area is called stress.

➡️For instance:- Tensile Stress, Compressive Stress, Thermal Stress.

🚧5. Strain

➡️If a force acts on a substance, then in that case if the substance would deform.

➡️Then the amount of deformation per unit length of that substance is called strain.

🚧6. Spring

➡️It is one type of device which is being distorted under certain amount of load & also can also go to its original face after the removal of that load.
Its function

⏺i. To store energy

⏺ii. To absorb energy

⏺iii. To control motion of two elements

🚧7. Stiffness

➡️Load per unit deflection. The amount of load required to resist the deflection.

🚧8. Specific Weight

➡️Weight per unit volume of the fluid.

🚧9. Specific Volume

➡️Volume per unit mass of the fluid.

🚧10. Specific Gravity

➡️It is the ratio of specific weight of required substance to specific weight of pure water at 4 degree centigrade temperature.

#Mechanics

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