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- 1. Multiple ChoiceA vector is a quantity that hadmagnitude and timetime and directionmagnitude and directiondirection and rhythm
- 2. Multiple ChoiceA scalar is a quantity that haddirectionmagnitudetimecolor
- 3. Multiple ChoiceWhen representing velocity as a vector...the directino of the arrow shows the direction of motionthe length represents speedthe length of the arrow is drawn to a suitable scaleall of these
- 4. Multiple ChoiceWhich of the following would NOT be considered a projectile?a cannonball thrown straight upa cannon ball rolling down a slopea cannonball rolling off a tablea cannonball thrown in the air
- 5. Multiple ChoiceThe horizontal component of a projectile's velocity is independent of...it's rangetimethe vertical componentnone of these
- 6. Multiple ChoiceIn the absence of air friction, the vertical component of a projectile's velocity doesn't change as the projectile moves.TrueFalseSometimes trueSometimes false
- 7. Multiple ChoiceIn the absence of air friction, the horizontal component of a projectile's velocity doesn't change as the projectile moves.TrueFalseSometimes trueSometimes false
- 8. Multiple ChoiceA ball is thrown into the air at some angle. At the very top of the ball's path, its velocity isentirely verticalboth vertical and horizontalentirely horizontalnot enough info
- 9. Multiple ChoiceIn the absence of air resistance, the angle at which a thrown ball will do the farthest is15o30045o600
- 10. Multiple ChoiceWhich best approximates the resultant of a pair of 6-unit vectors at right angles to each other?06812
- 11. Multiple ChoiceWhat is the resultant of a 3-unit vector and a 4-unit vector at right angles to each other?1579
- 12. Multiple ChoiceAt the instant a ball is thrown horizontally with a large force, an identical ball is dropped from the same height. Which ball hits the ground first?Neither- they hit at the same timethe horizontally thrown ballthe dropped ballNone of these
- 13. Multiple ChoiceT/F The vector sum is the resultant.TrueFalse
- 14. Multiple ChoiceT/F The length of the vector represents magnitude.TrueFalse
- 15. Multiple ChoiceT/F The orientation of a vector shows the direction.TrueFalse
- 16. Multiple ChoiceT/F Mass is a vector quantity.TrueFalse
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