Definition, Equation, Kinematics, Forces, Uses
Subject and UNIT: Engineering Physics: Unit I: Mechanics
A double pendulum is a pendulum with another pendulum attached to its end.
Description, Expression, Uses, Experiment
Subject and UNIT: Engineering Physics: Unit I: Mechanics
A circular metallic disc suspended using a thin wire that executes torsional oscillation is called torsional pendulum.
Definition, Working principle, Description, Applications
Subject and UNIT: Engineering Physics: Unit I: Mechanics
A gyroscope is a device used for measuring or mahntaining orientation and angular velocity. It is a spinning wheel or disc in which the axis of rotation (spin axis) is free to assume any orientation by itself.
Subject and UNIT: Engineering Physics: Unit I: Mechanics
If we consider two atoms of masses m1 and m2 which are situated at a distance r1 and r2 with respect to the axis of rotation YY' respectively, then this arrangement is called as rigid rotor. Here 'R' is the bond length between the two atoms (R = r1 + r2).
Subject and UNIT: Engineering Physics: Unit I: Mechanics
The law of conservation of angular momentum states that in the absence of an external torque, the angular momentum of a body or a system of bodies remains conserved.
Definition, Units, Vector diagram, Formula, Derivation
Subject and UNIT: Engineering Physics: Unit I: Mechanics
Torque is the turning effect of a force on a body, on which the force acts. The moment of the applied force is called torque. It is represented by the symbol ‘τ’.
Definition, Vector diagram, Formula, Derivation
Subject and UNIT: Engineering Physics: Unit I: Mechanics
The moment of linear momentum is known as angular momentum.
Subject and UNIT: Engineering Physics: Unit I: Mechanics
A diatomic molecule, in its stable equilibrium position consists two atoms that are at a distance 'R' apart. The distance 'R' is called the bond length between the two atoms.
Subject and UNIT: Engineering Physics: Unit I: Mechanics
1. Moment of inertia of a thin uniform rod 2. Moment of inertia of thin ring (or hoop) 3. Moment of inertia of a thin circular disc 4. Moment of Inertia of Solid sphere 5. Moment of Inertia of a Solid cylinder
Theorem of Parallel axes, Perpendicular axes
Subject and UNIT: Engineering Physics: Unit I: Mechanics
There are two important theorems which help to find the moment of inertia of a body about some other axis if moment of inertia about any symmetrical axis of the body is given.
Subject and UNIT: Engineering Physics: Unit I: Mechanics
Consider a rigid body rotating about a fixed axis XOX ′. The rigid body consists of a large number of particles.
Definition, Equation, Motion Diagram
Subject and UNIT: Engineering Physics: Unit I: Mechanics
A rigid body is defined as that body which does not undergo any change in shape or volume when external forces are applied on it.