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Science- Flight
About flight and Bernoulli's principle
| Question | Answer |
|---|---|
| What is Bernoulli's principle? | the pressure in a stream of fluid is reduced as the speed of the flow is increased |
| An increase in speed = an increase in ______. | Force |
| List some properties of air. | Air has mass. Air exerts pressure. Air takes up space. |
| Drag acts in the ______ direction to an object's movement. | Opposite. |
| What is airfoil? | Airfoil is the wing. Wings are an airfoil or streamlined shape. |
| When a plane is in flight, the air above the wings has ______ pressure. | lower |
| The strong force that pulls everything down toward the Earth and gives objects weight is called______. | Thrust |