# Physics Formulas: Mechanics

Jun 17th, 2015
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Mechanics is the oldest branch of physics. Mechanics deals with all kinds and complexities of motion. It includes various techniques, which can simplify the solution of a mechanical problem. Here are some of the often required physics formulas falling in mechanics domain.

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Physics Formulas: MechanicsMechanics is the oldest branch of physics. Mechanics deals with all kinds and complexities of motion. It includes various techniques, which can simplify the solution of a mechanical problem. Here are some of the often required physics formulas falling in mechanics domain.Motion in One DimensionThe physics formulas for motion in one dimension (Also called Kinematical equations of motion) are as follows. (Here 'u' is initial velocity, 'v' is final velocity, 'a' is acceleration and t is time): s = ut + at2v = u + atv2 = u2 + 2asvav(Average Velocity) = (v+u)/2Momentum, Force and ImpulsePhysics Formulas for momentum, impulse and force concerning a particle moving in 3 dimensions are as follows (Here force, momentum and velocity are vectors ): Momentum is the product of mass and velocity of a body. Momentum is calculate using the formula: P = m (mass) x v (velocity)Force can defined as something which causes a change in momentum of a body. Force is given by the celebrated newtons laws of motion: F = m (mass) x a (acceleration)Impulse is a large force applied in a very short time period. The strike of a hammer is an impulse. Impulse is given by I = m(v-u) PressurePressure is defined as force per unit area:Pressure (P) = Force (F) Area (A)DensityDensity is the mass contained in a body per unit volume. The physics formula for density is: Density (D) = Mass(M) Volume (V)Angular MomentumAngular momentum is an ana

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