Mr. Lewis 5th hour
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22 terms
Terms | Definitions |
|---|---|
 is the speed and direction of an object in motion? | velocity |
| the unit for force is the newton which stands for? | 1kg*m/s squared |
| The net force of an object is measured by multiplying its mass times its acceleration? | Newton's 2nd law |
| amt. of water displaced by an object is equal to the buoyant force acting upon the object? | Archimedes principle |
| an object at rest will remain at rest or an object in motion will remain in motion unless an outside force acts upon it. | Newton's 1st law |
| the speed of a fluid is inversely proportional to the amount of pressure that fluid exerts | Bernoulli's principle |
| an airplane uses a curved wing called an _____ to create a lift | airfoil |
| a gas less dense than air | helium |
| _____ gravity and friction are always acting on you. | air pressure |
| an increase in thermal energy causes | thermal expansion |
| the lack of kinetic energy occurs at | absolute zero which is -273 degrees celsius |
| a teeter totter is an example of | 1st class lever |
| a wheelbarrow is an example of | 2nd class lever |
| a broom, rake, hockey stick, fishing rod | 3rd class lever |
| as the fluid rises it cools and _____ in density | increases |
| e=mc squared is the equation devised by | Albert Einstein |
| a joule stands for | 1n*1m |
| 1km/h | .2777m/s |
| 1mph | .4480m/s |
| km | .62 mile |
| 1mile | 1.609km |
| 1 mile | 1609m |
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