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Stack #285981
| Question | Answer |
|---|---|
| Simple Machine | A device that either multiplies or redirects a force |
| Force | A push or pull exerted on an object in an effort to change that object's velocity |
| Mechanical advantage | The amount by whcih force or motion is magnified in a simple machine |
| Diameter | The length of a straight line that travels from one side of a circle to another and passes through the center of the circle |
| Circumference | The distance around a circle, equal to 3.1416 times the circle's diameter |
| What is the goal of an applied science experiment? | To make somethng better |
| What is the goal of technology? | To make life better in some way |
| If you cannot generate enough force to lift a rock with a first-class lever the way you have it set up, should you change the setup so that the fulcrum is closer to or farther from the rock? | Closer to the rock |
| What typr of levers are scissors composed of? | First-class levers |
| If at third class lever has has a mechanical advantage of 5, what does that mean? | That the speed that resistance moves will be magnified 5 times |
| What is the mechanical advantage of a wheel and axle system if it has a wheel with a diameter of 20 inches and an axle with a diameter of 2 inches? | 20 divided by 2 = 10 |
| If you turn the wheel of an axle, what does the mechanical advantage do for you? What is the drawback that accompanies the mechanical advantage? | It gives it more force, but you have to turn the wheel more than the axle turns |
| A block and tackle uses two pulleys. What is the mechanical advantage? | 2, the number of pulleys |
Created by:
Snyderpartyof7