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Formulas

Gravitation

Showing formulas of Gravitation

Physics
Subject
Classical Mechanics
Sub Subject
Showing 17 of 17 formulas Page 1 of 1

Universal Gravitation

Physics → Classical Mechanics → Gravitation → Gravity
$$F = G \frac{m_1 m_2}{r^2}$$
Calculates the gravitational attraction between two masses.
📖 Physics 📚 Gravitation

Gravitational Force

Physics → Mechanics → Gravitation → Force
$$F = G\frac{m_1 m_2}{r^2}$$
Force between masses
📖 Physics 📚 Gravitation

Escape Speed from Earth

Physics → Mechanics → Gravitation → Planetary Motion
$$v = \sqrt{2gr}$$
A simpler form of escape velocity using surface gravity.
📖 Physics 📚 Gravitation

Newton's Law of Universal Gravitation

Physics → Classical Mechanics → Gravitation → Universal Gravitation
$$F = G\frac{m_1 m_2}{r^2}$$
Attractive force between two masses is proportional to product of masses and inversely proportional to square of distance.
📖 Physics 📚 Gravitation

Escape Velocity (Planetary)

Physics → Mechanics → Gravitation → 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.
📖 Physics 📚 Gravitation

Gravitational Force (Vector Form)

Physics → Mechanics → Gravitation → 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).
📖 Physics 📚 Gravitation

Gravitational Potential Energy (Universal)

Physics → Mechanics → Gravitation → Energy
$$U = -\frac{G M m}{r}$$
Work done in bringing a mass from infinity to a point in a gravitational field.
📖 Physics 📚 Gravitation

Orbital Velocity

Physics → Mechanics → Gravitation → Satellite Motion
$$v_o = \sqrt{\frac{GM}{r}}$$
Velocity required for a satellite to stay in a circular orbit.
📖 Physics 📚 Gravitation

Kepler's Third Law

Physics → Mechanics → Gravitation → 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.
📖 Physics 📚 Gravitation

Escape Velocity from Earth surface

Physics → Mechanics → Gravitation → Gravity
$$v_e = \sqrt{2gR}$$
Minimum velocity required to escape Earth's gravity.
📖 Physics 📚 Gravitation

Variation of g with Altitude

Physics → Mechanics → Gravitation → Gravity
$$g_h = g\left(1 - \frac{2h}{R}\right)$$
How gravity decreases as you move above Earth's surface.
📖 Physics 📚 Gravitation

Weight

Physics → Mechanics → Gravitation → Gravity
$$W = mg$$
Force with which Earth attracts an object.
📖 Physics 📚 Gravitation

Pressure

Physics → Mechanics → Gravitation → Thrust and Pressure
$$P = \frac{F}{A}$$
Force acting per unit area.
📖 Physics 📚 Gravitation

Universal Law of Gravitation

Physics → Mechanics → Gravitation → Gravity
$$F = G \frac{m_1 m_2}{r^2}$$
Force of attraction between two masses.
📖 Physics 📚 Gravitation

Buoyant Force (Archimedes)

Physics → Mechanics → Gravitation → Fluids
$$F_b = V \rho g$$
Upward force on an object immersed in a fluid.
📖 Physics 📚 Gravitation

Relative Density

Physics → Mechanics → Gravitation → Properties of Matter
$$R.D. = \frac{\rho_{\text{substance}}}{\rho_{\text{water}}}$$
Ratio of density of a substance to the density of water.
📖 Physics 📚 Gravitation

Acceleration due to Gravity

Physics → Mechanics → Gravitation → Free Fall
$$g = \frac{G M}{R^2}$$
The acceleration experienced by an object falling freely near a planet's surface.
📖 Physics 📚 Gravitation
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