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Showing 24 of 65 formulas Page 2 of 3

Period of a Simple Pendulum

Physics β†’ Mechanics β†’ Oscillations β†’ SHM
$$T = 2\pi \sqrt{\frac{L}{g}}$$
Calculates the time for one full swing of a pendulum.
πŸ“– Physics πŸ“š Oscillations

Total Energy of Harmonic Oscillator

Physics β†’ Mechanics β†’ Oscillations β†’ Energy
$$E = \frac{1}{2} k A^2$$
Total mechanical energy (sum of kinetic and potential) of an object in SHM.
πŸ“– Physics πŸ“š Oscillations

Parallel Axis Theorem

Physics β†’ Mechanics β†’ Rotational Motion β†’ Moment Of Inertia
$$I = I_{cm} + Md^2$$
Relates the moment of inertia of a body about any axis to the moment of inertia about a parallel axis through the center of mass.
πŸ“– Physics πŸ“š Rotational Motion

Displacement in SHM

Physics β†’ Mechanics β†’ Oscillations β†’ Simple Harmonic Motion
$$x = A \cos(\omega t + \phi)$$
Position of an oscillating mass at any time $t$.
πŸ“– Physics πŸ“š Oscillations

Moment of Inertia (Solid Sphere)

Physics β†’ Mechanics β†’ Rotational Motion β†’ Moment Of Inertia
$$I = \frac{2}{5}MR^2$$
The rotational equivalent of mass for a uniform solid sphere rotating about its diameter.
πŸ“– Physics πŸ“š Rotational Motion

Escape Velocity (Planetary)

Physics β†’ Mechanics β†’ Gravitation β†’ Planetary Motion
$$v_e = \sqrt{\frac{2GM}{R}}$$
The minimum speed needed for an object to break free from the gravitational attraction of a massive body.
πŸ“– Physics πŸ“š Gravitation

Work Done by Variable Force

Physics β†’ Mechanics β†’ Work and Energy β†’ Work
$$W = \int_{x_1}^{x_2} F(x) \, dx$$
Calculates the work when the applied force changes with position.
πŸ“– Physics πŸ“š Work and Energy

Moment of Inertia (Thin Rod)

Physics β†’ Mechanics β†’ Rotational Motion β†’ Moment Of Inertia
$$I = \frac{1}{12}ML^2$$
The rotational inertia of a uniform thin rod rotating about an axis through its center perpendicular to its length.
πŸ“– Physics πŸ“š Rotational Motion

Law of Conservation of Momentum

Physics β†’ Mechanics β†’ Laws of Motion β†’ Collisions
$$m_1u_1 + m_2u_2 = m_1v_1 + m_2v_2$$
In an isolated system, the total momentum remains constant during a collision.
πŸ“– Physics πŸ“š Laws of Motion

Gravitational Force (Vector Form)

Physics β†’ Mechanics β†’ Gravitation β†’ Gravity
$$\vec{F} = -G \frac{m_1 m_2}{r^2} \hat{r}$$
Newton's universal law of gravitation, including the direction of force (attractive).
πŸ“– Physics πŸ“š Gravitation

Angular Momentum of a Particle

Physics β†’ Mechanics β†’ Rotational Motion β†’ Angular Momentum
$$L = mvr \sin \theta$$
A measure of the quantity of rotation of an object, taking into its mass and speed relative to an axis.
πŸ“– Physics πŸ“š Rotational Motion

Projectile Motion: Time of Flight

Physics β†’ Mechanics β†’ Motion in a Plane β†’ Projectile Motion
$$T = \frac{2u \sin \theta}{g}$$
Total time an object remains in the air when projected at an angle.
πŸ“– Physics πŸ“š Motion in a Plane

Projectile Motion: Maximum Height

Physics β†’ Mechanics β†’ Motion in a Plane β†’ Projectile Motion
$$H = \frac{u^2 \sin^2 \theta}{2g}$$
The highest vertical point reached by a projectile.
πŸ“– Physics πŸ“š Motion in a Plane

Projectile Motion: Horizontal Range

Physics β†’ Mechanics β†’ Motion in a Plane β†’ Projectile Motion
$$R = \frac{u^2 \sin 2\theta}{g}$$
The horizontal distance covered by the projectile.
πŸ“– Physics πŸ“š Motion in a Plane

Banking of Roads (Safe Speed)

Physics β†’ Mechanics β†’ Laws of Motion β†’ Circular Motion
$$v = \sqrt{rg \tan \theta}$$
The speed at which a vehicle can safely turn on a banked road without relying on friction.
πŸ“– Physics πŸ“š Laws of Motion

Impulse

Physics β†’ Mechanics β†’ Laws of Motion β†’ Momentum
$$J = F \Delta t = \Delta p$$
The change in momentum resulting from a force acting over a time interval.
πŸ“– Physics πŸ“š Laws of Motion

Conservation of Linear Momentum

Physics β†’ Mechanics β†’ Laws of Motion β†’ Collisions
$$m_1 u_1 + m_2 u_2 = m_1 v_1 + m_2 v_2$$
Total momentum remains constant in the absence of an external force.
πŸ“– Physics πŸ“š Laws of Motion

Coefficient of Restitution

Physics β†’ Mechanics β†’ Work, Energy, and Power β†’ Collisions
$$e = \frac{v_2 - v_1}{u_1 - u_2}$$
Ratio of relative velocity after collision to relative velocity before collision.
πŸ“– Physics πŸ“š Work, Energy, and Power

Moment of Inertia (General)

Physics β†’ Mechanics β†’ System of Particles and Rotational Motion β†’ Rotational Dynamics
$$I = \sum m_i r_i^2 = \int r^2 dm$$
The property of a body to resist changes in its rotational motion.
πŸ“– Physics πŸ“š System of Particles and Rotational Motion

Gravitational Potential Energy (Universal)

Physics β†’ Mechanics β†’ Gravitation β†’ Energy
$$U = -\frac{G M m}{r}$$
Work done in bringing a mass from infinity to a point in a gravitational field.
πŸ“– Physics πŸ“š Gravitation

Orbital Velocity

Physics β†’ Mechanics β†’ Gravitation β†’ Satellite Motion
$$v_o = \sqrt{\frac{GM}{r}}$$
Velocity required for a satellite to stay in a circular orbit.
πŸ“– Physics πŸ“š Gravitation

Kepler's Third Law

Physics β†’ Mechanics β†’ Gravitation β†’ Planetary Motion
$$T^2 \propto R^3$$
The square of the time period of a planet is proportional to the cube of the semi-major axis.
πŸ“– Physics πŸ“š Gravitation

Power (Instantaneous)

Physics β†’ Mechanics β†’ Work, Energy, and Power β†’ Power
$$P = \vec{F} \cdot \vec{v}$$
The rate of doing work expressed as the dot product of force and velocity.
πŸ“– Physics πŸ“š Work, Energy, and Power

Escape Velocity from Earth surface

Physics β†’ Mechanics β†’ Gravitation β†’ Gravity
$$v_e = \sqrt{2gR}$$
Minimum velocity required to escape Earth's gravity.
πŸ“– Physics πŸ“š Gravitation
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