23 equations

• density = mass / volume
• weight = mass * gravitational field strength
• work done = force * distance
• force applied to a string = spring constant * extension
• moment of a force = force * distance
• speed = distance / time
• acceleration = change in velocity / time
• resultant force = mass * acceleration
• power = work done / time
• wave speed = frequency * wavelength
• charge flow = current * time
• pressure = force / area
• kinetic energy = 0.5 * mass * speed^2
• gravitational potential energy = mass * gravitational field strength * height
• power = energy transferred / time
• efficiency = useful output energy transfer / total input energy transfer
• efficiency = useful power output / total power input
• potential difference = current * resistance
• power = potential difference * current
• power = current^2 * resistance
• energy transferred = power * time
• energy transferred = charge flow * potential difference
• density = mass / volume