Module 3 Formulas Flashcards
Speed
Speed = distance / time
Velocity
Velocity = displacement / time
Acceleration
Acceleration = change in velocity / time
Net force
Force = mass x acceleration
Density
Density = mass / volume
Pressure
Pressure = force / area
Pressure when under water
Pressure = height x density of liquid x gravitational field strength
Moment
Moment = force x perpendicular distance from pivot
Torque
Torque = the size of one force x perpendicular distance between forces
Work
Work = Force x distance
Power
Power = work done / time Power = force x velocity
Kinetic energy
Kinetic energy = 0.5 x mass x velocity²
Gravitational potential energy
Elastic potential energy = mass x gravitational field strength x height
Hookes law
Force = constant x extension
Tensile stress
Tensile stress = force applies / cross sectional area