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6th Science
3.3 vocabulary
Question | Answer |
---|---|
acceleration | the rate at which velocity changes. |
free fall | accelerated motion that happens when an object falls with only the force of gravity acting on it. |
acceleration due to gravity | the value of 9.8 m/s2, which is the acceleration in free fall at the Earth’s surface, usually represented by the small letter g. |
projectile | an object moving through space and affected only by gravity. |