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Mini-Quiz: Vectors in Gravity Equations

by Ron Kurtus (revised 10 March 2011)

Take this Mini-Quiz to check your understanding of the lesson material.



1. What does the length of a vector arrow represent?

The magnitude of the quantity

The direction of the motion

It is only used for visualization

2. When is the angle between a vector and the horizontal axis positive?

The angle is always negative

Whenever the Pythagorean Theorem holds

When the vector is positive

3. Why is distance a scalar quantity?

Distance is not a scalar but a vector

Distance does not depend on direction of travel

Because distance equals velocity times time

If you got all three correct, you are on your way to becoming a Champion in Physics. If you had problems, you had better look over the material again.


Vectors are clever tools


Resources and references

Ron Kurtus' Credentials

Websites

Gravity Resources

Vectors - Fundamentals and Operations - Physics Classroom

Basic Vector Operations - HyperPhysics

Vectors and Direction - Physics Classroom

Books

Top-rated books on Simple Gravity Science

Top-rated books on Advanced Gravity Physics


Questions and comments

Do you have any questions, comments, or opinions on this subject? If so, send an email with your feedback. I will try to get back to you as soon as possible.


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