Mots Croisés Forces and MotionVersion en ligne Vocabulary Chapter 13 Forces and Motion 5th Grade par Marlon Alvarado 1 the rate at which the velocity of an object change over time 2 when forces acting on an object are balanced 3 the speed and direction of and object´s motion 4 a device that changes the direction or amount of effort needed to do work 5 when and object resist any change in motion 6 the push or pull on an object 7 the speed at wich work is done 8 the energy used when a force moves an object 8 6 7 5 3 1 4
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