Core - Physics

    Chapter 12

    Equilibrium and Elasticity

    12.1 : Static Equilibrium - I01:05

    12.1 : Static Equilibrium - I

    A rigid body is said to be in dynamic equilibrium when both its linear and angular acceleration are zero, relative to an inertial frame of reference. This ...

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    12.2 : Static Equilibrium - II01:07

    12.2 : Static Equilibrium - II

    Static equilibrium is a special case in mechanics that is very important in everyday life. It occurs when the net force and the net torque on an object or ...

    8.6K views
    12.3 : Center of Gravity00:58

    12.3 : Center of Gravity

    The center of gravity (COG) of an object is the point where the object's total weight is considered to be concentrated. Knowing the location of the ...

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    12.4 : Finding the Center of Gravity01:03

    12.4 : Finding the Center of Gravity

    The center of gravity of a body is an imaginary point where the body's total weight is assumed to be concentrated, and the body is perfectly balanced. ...

    3.5K views
    12.5 : Rigid Body Equilibrium Problems - I00:49

    12.5 : Rigid Body Equilibrium Problems - I

    A rigid body is said to be in static equilibrium when the net force and the net torque acting on the system is equal to zero. To solve for rigid body ...

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    12.6 : Rigid Body Equilibrium Problems - II01:21

    12.6 : Rigid Body Equilibrium Problems - II

    A rigid body is in static equilibrium when the net force and the net torque acting on the system are equal to zero. Consider two children sitting on a ...

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    12.7 : Stress01:20

    12.7 : Stress

    When a force is applied on a body, it undergoes deformation. In order to restore the body to its original shape and/or size, an opposite or restoring ...

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    12.8 : Strain and Elastic Modulus01:15

    12.8 : Strain and Elastic Modulus

    The quantity that describes the deformation of a body under stress is known as strain. Strain is given as a fractional change in either length, volume, or ...

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    12.9 : Problem Solving on Stress and Strain01:22

    12.9 : Problem Solving on Stress and Strain

    Stress is a quantity that describes the magnitude of a force that causes deformation, generally defined as internal force per unit area. When forces pull ...

    776 views
    12.10 : Indeterminate Structure01:18

    12.10 : Indeterminate Structure

    Indeterminate structures refer to structures where internal forces and reactions cannot be determined using only the equations of static ...

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    12.11 : Elasticity01:12

    12.11 : Elasticity

    Elasticity is the ability of an object to withstand the effects of distortion and to return to its original size and shape once the forces causing ...

    3.5K views
    12.12 : Plasticity00:58

    12.12 : Plasticity

    Plasticity is the property where an object loses its elasticity and undergoes irreversible deformation, even after the deformation forces are eliminated. ...

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