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[Exam StudyStack]
| Question | Answer |
|---|---|
| Force-- | ?? |
| Kinetic Energy-- | Energy of objects that are in motion. ex: anything that's moving has kinetic energy |
| Potential Energy-- | due to an object's position, what it's made of, or its potential to move (stored energy) |
| State Newton's 1st Law. | An object @ rest remains @ rest; an object in motion remains in motion unless acted on by an outside, unbalanced force. |
| State Newton's 2nd Law. | Force x mass = acceleration |
| State Newton's 3rd Law. | ??? |
| Heat Energy-- | due to motion of the atoms of that make up the substance or object (faster the particles of obj. move, the more heat energy there is) |
| Nuclear Energy-- | ???? |
| Chemical Energy-- | occurs during chem. reactions and is due to the making + breaking of bonds |
| Electromagnetic energy-- | due to interaction of electric + magnetic fields (magnetic field surrounds object's force field |
| Work-- | a force exerted over a distance that moves the object in the distance of the force |
| Power-- | the rate @ which work is done |
| Work input-- | the work the machine does |
| Mechanical advantage-- | (approx.) number of times machine multiplies the force |
| Efficiency-- | . |
| Work input-- | the work WE do to make the machine work |
| Inertia-- | ??? |
| What are the primary colors? | red, blue, and green |
| What is a primary color? | an additive color |
| What are the secondary colors? | cyan, yellow, and magenta |
| What is a secondary color? | a subtractive color |
| Name the pairs of complementary colors. | Cyan + Red; Yellow + Blue; Magenta + Green |
| What are complementary colors? | Two colors (one primary and one secondary) that complement one another and make white |
| Temperature-- | the measure of the avg. kinetic energy of the particles of a substance |
| Period-- | ???? |
| Friction-- | when 2 objects are rubbed together (as one object slides over the other, it's pulling electrons w/ it-- one that pulls = negative; other one = positive) |
| Joules measure... | work |
| Watts measure... | power |
| Amps measure... | current |
| Volts measure... | potential difference |
| m/s measures... | speed/velocity |
| Ohms measure... | resistance |
| Hertz measure... | frequency |
| What are the 3 types of heat transfer? | conduction, convection, + radiation |
| Give an example of a transverse wave. | light |
| Give an example of a longitudinal wave. | sound |
| Reflection--(and give example) | the bouncing back of a wave after it strikes a boundary or surface that doesn't absorb all of the wav'es energy. Ex: a mirror |
| Refraction--(and give example) | the bending of a wave due to a change in its speed Ex: when something @ the bottom of a pool looks like it has a bend in it |
| Diffraction--(and give example) | the bending of a wave around the edges of an obstacle Ex: a rainbow |
| Interference--(and give example) | when two or more waves are @ the exact same place @ the exact same time |
| State the Law of Universal Gravitation. | ???? |
Created by:
hcmeek
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