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Physics
Chapter 1
| Question | Answer |
|---|---|
| Force | A push or a pull, it will change the motion of an object. |
| Net Force | the combination of all forces acting on an object |
| Newton | the scientific unit of force kgm/s^2 = N |
| Tension | A stretching force |
| Scalar Quantity | A quantity with magnitude (size) only. ex. speed |
| Vector Quantity | A quantity with magnitude and direction (ex. velocity) and can be represented by an arrow |
| Mechanical Equilibrium | A state where no change occurs |
| Static Equilibrium describes ____ __ ___. | Objects at rest |
| Upward forces are ______? | positive |
| Downward forces are _______? | negative |
| A vector to the right is _______, but a vector to the left is ________. | positive, negative (like on a line graph) |
| Objects moving at a constant velocity (speed and direction) are said to be in ______ _________. | Dynamic Equilibrium |
| Define resultant. | the sum of two or more vectors |
| Parallelogram Rule | to find the resultant of two nonparallel vectors, construct a parallelogram wherein the two vectors are adjacent sides. |
Created by:
allieg1993
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