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measurements and mot
vocabulary of chapter 4
Question | Answer |
---|---|
ACCELERATION | THE RATE OF CHANGE OF VELOCITY OVER TIME |
AIR RESISTANCE | THE RESISTING EFFECT ON A MOVING OBJECT DUE TO FRICTION OF AIR |
ACCELERATION DUE TO GRAVITY | THE ACCELERAION OF AN OBJECT DUE TO EARTH'S GRAVITIONAL FIELD STRENGTH |
CONSTANT ACCELERATION | AN ACCELERAION THAT DOES NOT CHANGE |
DELTA | THE SYMBOL THAT INDICATES THE DIFFERENCE OR CHANGE BETWEEN TWO QUANTITIES |
FREE FALL | MOVEMENT THAT IS DUE ONLY TO THE FORCE OF GRAVITY |
FRICTION | THE FORCE THAT OPPOSES THE RELATIVE MOTION OF BODIES |
INITIAL SPEED | THE SPEED AN OBJECT HAS AT THE BEGINNING OF AN EXPERIMENT |
M/SEC2 | A METRIC UNIT OF MEASURE FOR VELOCITY |
TERM | A COMPONENT OF AN EQUATION |
TERMINAL SPEED | THE MAXIMUM SPEED REACHED BY AN OBJECT IN FREE FALL |
SLOPE | A LINE VERTICAL CHANGE DIVIDED BY ITS HORIZONTAL CHANGE |
TIME OF FLIGHT | THE ELAPSED TIME AN OBJECT OR PROJECTILE SPENDS IN THE AIR |
UNIFORM ACCELERATION | SAME AS CONSTANT ACCELERATION |