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Formulas

Mechanics

Showing formulas of Mechanics

Physics
Subject
Showing 17 of 65 formulas Page 3 of 3

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

Speed

Physics → Mechanics → Motion → Kinematics
$$v = \frac{s}{t}$$
Rate of change of distance.
📖 Physics 📚 Motion

Acceleration

Physics → Mechanics → Motion → Kinematics
$$a = \frac{v - u}{t}$$
Rate of change of velocity with respect to time.
📖 Physics 📚 Motion

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

First Equation of Motion

Physics → Mechanics → Motion → Kinematics
$$v = u + at$$
Relates final velocity, initial velocity, acceleration, and time.
📖 Physics 📚 Motion

Second Equation of Motion

Physics → Mechanics → Motion → Kinematics
$$s = ut + \frac{1}{2}at^2$$
Relates displacement, initial velocity, time, and acceleration.
📖 Physics 📚 Motion

Third Equation of Motion

Physics → Mechanics → Motion → Kinematics
$$v^2 = u^2 + 2as$$
Relates final velocity, initial velocity, acceleration, and displacement.
📖 Physics 📚 Motion

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

Mechanical Power

Physics → Mechanics → Work and Energy → Power
$$P = \frac{W}{t}$$
Rate of doing work.
📖 Physics 📚 Work and Energy

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

Average Speed

Physics → Mechanics → Motion → Kinematics
$$v_{avg} = \frac{\text{Total Distance}}{\text{Total Time}}$$
Total distance traveled divided by the total time taken.
📖 Physics 📚 Motion

Total Energy (Mechanical)

Physics → Mechanics → Work and Energy → Energy
$$E_{total} = E_k + E_p$$
Sum of kinetic and potential energy in a system.
📖 Physics 📚 Work and Energy

Newton's Second Law (Force)

Physics → Mechanics → Force and Laws of Motion → Laws of Motion
$$F = m \times a$$
Force is equal to the product of mass and acceleration.
📖 Physics 📚 Force and Laws of Motion

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

Potential Energy (Gravitational)

Physics → Mechanics → Work and Energy → Energy
$$E_p = mgh$$
Energy possessed by a body by virtue of its position above the ground.
📖 Physics 📚 Work and Energy
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