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ACS Sci chp. 7 1-10
ACS Science Chp. 7 1-10
Question | Answer |
---|---|
What is energy? | the ability to work |
What is force? | an interaction |
What is work? | the result of a force applied to an object that causes it to move |
What unit do we use to measure work? | joules |
What is speed? | a measure of the distance an object moves in a given amount of time |
What is the formula for calculating speed? | distance divided by time equals speed |
What is the speed of a car? | miles per hour |
What is an acceleration? | the change in an object's velocity over a period of time |
What is an inclined plane? | a straight, slanted surface used to raise an object |
What is a lever? | a beam or bar that pivots on a fixed point |