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# Science Chapter 2

### Science Force and Motion

A push or pull on an object Force
A force can make an object move or stop
If you pedal with the same force on a flat surface what happens to your speed? it will stay the same
What type of objects require less force to move? objects with less mass
When an object changes its position it is called __________? motion
What do you call the place or object used to determine if an object is in motion? reference point
How fast an object moves or the rate at which an object changes position. speed
How do you calculate speed? distance divided by time
Which moves faster a dog, a horse or an alligator? a horse
What do we call the measure of how fast an object moves and the direction it is moving? velocity
What do we call A CHANGE in the speed or direction an object moves? acceleration
True or false acceleration refers only to speeding up. false

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