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- 1. Multiple Choice
A textbook is dropped from a second floor window and falls to the ground. What happens to the velocity as the book falls to the ground
the velocity increases
the velocity decreases
the velocity remain constant
- 2. Multiple Choice
A textbook is dropped from a second floor window and falls to the ground. What happens to the acceleration as the book falls to the ground
the acceleration increases
the acceleration decreases
the acceleration remains constant
- 3. Multiple Choice
A baseball is thrown up into the air. What happens to the velocity as the ball rises in the air?
the velocity increases
the velocity decreases
the velocity remains constant
- 4. Multiple Choice
A baseball is thrown up into the air. What happens to the acceleration as the ball rises in the air?
the acceleration increases
the acceleration decreases
the acceleration remains constant
- 5. Multiple ChoiceWhich would hit the ground first if dropped from the same height in a vacuum—a feather or a metal bolt?the featherthe metal boltThey would hit the ground at the same time.They would be suspended in a vacuum.
- 6. Multiple ChoiceWhich would fall with greater acceleration in a vacuum—a leaf or a stone?the leafthe stoneThey would accelerate at the same rate.It is difficult to determine without more information.
- 7. Multiple ChoiceA ball is thrown upwards and caught when it comes back down. In the absence of air resistance, the speed of the ball when caught would beless than the speed it had when thrown upwards.more than the speed it had when thrown upwards.the same as the speed it had when thrown upwards.
- 8. Multiple ChoiceIn a normal environment, why does a bowling ball and feather hit the ground at different times when dropped from the same height?They don't; they hit the ground at the same time.One is more dense than the other.One is heavier than the other.Air resistance
- 9. Multiple Choice
If an object is free falling onto the Moon, which of the following would be correct?
It would accelerate at 9.8 m/s2
It would not encounter any air resistance.
It would not fall because the Moon has no gravity.
It would impact the surface and bounce back into space.
- 10. Multiple Choice
Heavier objects free fall faster than lighter objects.
True
False
- 11. Multiple ChoiceA pumpkin is dropped from a 35 m building. What is its initial velocity (vi)?9.8 m/s235 m0 m/s9.8 m/s
- 12. Multiple Choice
Which of the dot diagrams best describe the motion of a free-falling object that is dropped from rest?
Diagram A
Diagram B
Diagram C
- 13. Multiple Choice
Two rocks with different size and mass are dropped from the same height. Which of the rock will reach the ground first?
greater rock
smaller rock
both reach the ground at the same time
- 14. Multiple Choice
Which of the following graphs best represents free fall motion?
- 15. Multiple Choice
A baseball is thrown up into the air. What happens to the velocity as the ball rises in the air?
the velocity increases
the velocity decreases
the velocity remains constant
- 16. Multiple Choice
A baseball is thrown up into the air. What direction is the velocity of the ball?
upward
downward
- 17. Multiple Choice
A baseball is thrown up into the air. What direction is the acceleration of the ball?
upward
downward
- 18. Multiple Choice
The acceleration of a freely falling body on Earth is
9.8 m/s.
9.8 m.
9.8 m/s2.
9.8 s.
- Answer choicesTagsAnswer choicesTags