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- 1. Multiple ChoiceA quantity that has both magnitude and direction is called a scalar quantity.TrueFalse
- 2. Multiple ChoiceIf a car moves 12 km North, 19 km East, and 12 km South, what is its displacement?12 km19 km, East31 km43 km, East
- 3. Multiple ChoiceA hiker walks 5 kilometers due north and then 7 kilometers due east. What is the magnitude of the resultant vector?2 km8.6 km12 km12.6 km
- 4. Multiple Choice
Which side is adjacent to the 400 angle?ABACBC - 5. Multiple ChoiceWhat is the y component of the vector given in the diagram?77N92N120N60N
- 6. Multiple ChoiceWhat is the x component of the vector given in the diagram?77N92N120N60N
- 7. Multiple Choice
The magnitude of the resultant is equal to......
2500m
800m
50m
70m
- 8. Multiple ChoiceWhat is the net force?
100 N 230 N
<------ --------->30 N to the right230 N to the right130 N to the rightThis is a balanced force - 9. Multiple Choice17149312.2
- 10. Multiple ChoiceThe president’s airplane, Air Force One, flies at 250 m/s to the east with respect to the air. The air is moving at 35 m/s to the north with respect to the ground. Find the velocity of Air Force One with respect to the ground.252 m/s222 m/s435 m/s125 m/s
- 11. Multiple Choice
You slowly walked 10 km West and then quickly ran 10 km North. During each part of the journey, the ______________ was the same.
displacement
distance
time
velocity
- 12. Multiple Choice
In practice A of the figure, what is the direction of the resultant displacement?
15 degrees, North of West
63 degrees, West of North
27 degrees, North of West
27 degrees, West of North
- 13. Multiple ChoiceIf a boomerang is thrown 20 m in a straight line and returns exactly to the spot it was thrown what is its displacement?20m40m0m-20m
- 14. Multiple ChoiceWhat direction is the angle?east of northsouth of eastnorth of eastwest of east
- 15. Multiple ChoiceA motorboat, which has a speed of 5 m/s in still water, is headed east as it crosses a river flowing south at 3.3 m/s. What is the magnitude of the boat’s resultant velocity with respect to the starting point?3.3 m/s5.0 m/s6.0 m/s8.3 m/s
- 16. Multiple ChoiceHow do you combine vectors if they are in the same direction?AddSubtractPythagorean TheoremUse Trigonometry
- 17. Multiple ChoiceHow do you combine vectors if they are in opposite directions?AddSubtractPythagorean TheoremUse trigonometry
- 18. Multiple ChoiceHow do you combine vectors if they are at a right angle to each other, and you know two sides?MultiplyDividePythagorean TheoremUse trigonometry
- 19. Multiple ChoiceWhich of these is not a vector quantity?displacementtimevelocityacceleration
- 20. Multiple ChoiceWhich statement describes a vector?It has magnitude but no directionIt has direction but no magnitudeIt has both direction and magnitudeIt has constant magnitude but no
direction - 21. Multiple ChoiceIn practice A of the figure, What is the magnitude of the resultant displacement?5 km8 km11 km15 km
- 22. Multiple ChoiceA car travels 90 meters due north in 15 seconds. Then the car turns around and travels 40 meters due south. What is the magnitude and direction of the car's resultant displacement?40 metres, South50 metres, South50 metres, North40 metres, North
- 23. Multiple Choice
A golf ball leaves a golf club with an initial velocity of 40 m/s at an angle of 40o with the horizontal. What is the horizontal and vertical components of the ball's velocity?
H: 25.7 m/s V: 30.6 m/s
H: 30.6 m/s V: 25.7 m/s
H: 40 m/s V: 40 m/s
H: 61.3 m/s V: 40 m/s
- 24. Multiple Choice
The accompanying diagram shows a child pulling a 50kg friend on a sled by applying a 300 N Force on the sled rope at an angle of 400 with the horizontal. The vertical component of the 300N force is approximately
510 N
230 N
193 N
32 N
- Answer choicesTagsAnswer choicesTags