Mechanical energy Flashcards
What is gravitational potential energy
the energy an object has because of its height
gravitational potential energy key idea
the bigger the object the more gravitational potential energy it has
what does gravitational potential energy depend on
depends on height, h. measured in (m)
depends on mass, m. measured in (kg)
what is kinetic energy
the energy an object has because of its speed
kinetic energy key idea
the bigger the object the more kinetic energy it has
what does kinetic energy depend on
depends on mass, m. measured in (kg)
depends on speed, v. measured in (m/s)
energy transformation
kinetic energy –> gravitational potential
gravitational potential –> kinetic
work (W=E)
work done is the energy transferred from one form to another (J)
work (Fd)
work is done when a force moves something (J)
power
power is a measure of the rate at which energy is transferred from one form to another
what is energy TRANSFER
the movement of energy from one location to another
what is energy TRANSFORMATION
changing of energy from one type of energy to another
