Asked by caylanne
what is an easy way to remember the equations used for: kinetic energy, potential energy, work, and power?
Answers
Answered by
drwls
Keep doing problems that use these concepts. You will remember them before too long.
KE = (1/2) M V^2
Power = Work/Time
Work = Force*distance , where the force is the component along the direction of motion.
Remember that there are various kinds of potential energy. It equals the work done against an external force in moving from point A to point B. Only the change of potential energy is important. The zero point of potential energy can be arbitrarily defined.
KE = (1/2) M V^2
Power = Work/Time
Work = Force*distance , where the force is the component along the direction of motion.
Remember that there are various kinds of potential energy. It equals the work done against an external force in moving from point A to point B. Only the change of potential energy is important. The zero point of potential energy can be arbitrarily defined.
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