Which of the following are true statements about velocity, acceleration, and force? (More than one answer) A All three of these quantities are vectors. B Force always causes velocity to increase. C Acceleration always causes velocity to increase. D Acceleration is a change in force per unit time. E Force and acceleration are related by a law of nature; acceleration and change in velocity are related by a definition. F Velocity is not a vector, but force and acceleration are vectors. G Force = mass times velocity H Acceleration and net force are always in the same direction, but velocity can be in any relative direction to those. I Force and acceleration are related via mass. J Newton's Second Law of Motion says that: acceleration = mass times force
Which of the following are true statements about velocity, acceleration, and force?
(More than one answer)
| A |
All three of these quantities are vectors. |
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| B |
Force always causes velocity to increase. |
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| C |
Acceleration always causes velocity to increase. |
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| D |
Acceleration is a change in force per unit time. |
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| E |
Force and acceleration are related by a law of nature; acceleration and change in velocity are related by a definition. |
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| F |
Velocity is not a vector, but force and acceleration are vectors. |
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| G |
Force = mass times velocity |
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| H |
Acceleration and net force are always in the same direction, but velocity can be in any relative direction to those. |
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| I |
Force and acceleration are related via mass. |
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| J |
Newton's Second Law of Motion says that: acceleration = mass times force |
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