Changes in motion

By deyson


The combination of the mass and the speed of an object is momentum.A baseball has more momentum than a tennis ball travaling the same speed because the baseballhas more mass


Skydrivers experience feeling of weighleness, the state of begin without detectable weight


Theabillity to do work.If work is to accomplishe,energyis needed.Like work,energy is measured in joules. streched rubber band or wound up springs store energy because of their electricity.A rock on the edge of a cliff stores energy