Motion and Force

Motion

Forces

Gravity, Friction, & Pressure

Work and energy

Machines

S = t/d

Speed = distance/time

Force Equation

F = ma

Pressure Equation

P = F/A

W = Fd

Work = force times distance

Momentum Equation

p = mv

momentum = mass times velocity

Force = mass times acceleration

Work Equaton

Pressure = force/ area

Speed Equation

Gravitational Potential Energy Equation

GPE = mgh

Gravitational Potential Energy = mass times gravitational acceleration times height

Kinetic Energy Equation

KE = 1/2mv2

Kinetic Energy = one half times mass times velocity squared

Mechanical Energy Equation

ME = PE + KE

Mechanical Energy = potential energy plus kinetic energy

Mechanical Advantage

Mechanical Advantage = output force over input force

Efficiency Equation

Efficiency (%) = output work/inputwork times 100

IMA = R in over R out

Ideal Mechanical Advantage = Radius of input over radius of output