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Science Chapter 2
Science Force and Motion
Question | Answer |
---|---|
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 |