Vocabulary

the location of an object

a change in position over time

a group of objects from which you can measure a position or motion

how fast an object's position changes over time

the measurement that combines both the speed and direction of a moving object

the change in velocity over time for an object

the product of mass multiplied by velocity

any push or pull from one object to another

a force that opposes the motion of one object moving past another

when forces act on an object without changing its motion

a force that causes an object to change its motion

the push of the first object on the second

the push of the second object back on the first

the measurement of the energy used to perform a task

the ability to perform work or to change an object

energy that is stored in the position

the energy of a moving object

energy cannot be created or destroyed, it can only change form