Energy
Define potential energy.
Energy that is stored due to its position
At what point does a thrown object has the highest potential energy?
At the top of the trajectory.
What is the equation for mechanical energy?
K.E+P.E=M.E
What type of energy do we get from the sun?
Solar energy.
Define kinetic energy.
Energy that is in motion.
At what point does a thrown object has the highest kinetic energy?
At the start.
Define chemical energy.
Energy stored in the bonds of chemical compounds.
What type of energy plants convert?
Solar into chemical energy.
Define elastic potential energy.
The energy stored in an elastic object when a force is applied to deform it.
At what point does a pendulum has the greatest kinetic energy?
At the lowest point of its swing.
Define electromagnetic energy.
Radiation that has both electrical and magnetic fields.
Define combustion.
The process of burning something.
Give an example of elastic energy.
A stretched rubber band/spring ect.
At what point does a pendulum has the greatest potential energy?
At the start of its swing.
Give an example of energy transformation.
A furnace burns fuel and chemical potential energy transforms into thermal energy.
Define power.
Define conservation of energy.
Energy can't be created nor destroyed.
What happens when an object with kinetic energy slows down?
The energy decreases.
What type of energy does fossil fuels store?
Chemical energy.
Activity involving mental or physical effort.