physics of motion in flight
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| show | Potential Energy
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| show | Kinetic Energy
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| show | Energy cannot be created or destroyed; it only changes form
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| The distance something travels per unit time | show 🗑
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| Speed in a given direction | show 🗑
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| What type of quantity is velocity? Scalar or vector? | show 🗑
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| show | Vectors have both magnitude (size) and direction (e.g. 35mph west)
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| These have both magnitude (size) and direction (e.g. 35 mph west) | show 🗑
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| The highest speed that can be reached by a falling object is its __________ | show 🗑
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| Terminal velocity is achieved when ____ | show 🗑
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| What happens as a plane climbs? | show 🗑
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| show | Its speed increases as potential energy (position) is converted into kinetic energy (motion).
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| show | A push or a pull on an object
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| show | Magnitude and direction
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| What are the 4 forces of flight, and in which direction do they act? | show 🗑
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| show | The Force of Gravity
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| What is the acceleration of gravity on Earth for every object, not matter what it's size. | show 🗑
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| show | Gravity depends on mass and distance. The closer two things are the more gravitational force, and the bigger the more gravitational force. The earth is way more massive that us!
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| The force of gravity on the mass of an object gives us its ________. | show 🗑
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| What is the force that helps pilots overcome the weight of the plane? | show 🗑
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| show | Lift is "up." Its force is perpendicular to the plane in level flight in the opposite direction of weight.
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| "As airspeed increases, the pressure drops" is an example of what principle? | show 🗑
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| show | The pressure is highest under the wing because the air is traveling slower.
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| show | The pressure above the wing is lower than the pressure below the wing (because air moves faster on top to cover a bigger distance), causing a net force upward (lift).
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| What is net force? | show 🗑
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| show | An object in motion will remain in motion, and an object at rest will remain at rest, unless acted on by an unbalanced force.
OR If the forces are balanced, the object stays moving at a constant speed or stays stopped.
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| What is inertia? | show 🗑
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| Objects with more ___ have more inertia. | show 🗑
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| State Newton's 2nd Law of Motion | show 🗑
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| show | Newton's 3rd Law of Motion
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| In a jet plane what are the action/reaction forces? | show 🗑
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| show | The propeller pushes air backwards, and the air pushes back on the propeller and attached plane, moving it forward (thrust).
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| show | A parked plane will not move unless an unbalanced force acts on it.
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| show | A plane in the air will fly at a constant speed if all the forces on it are balanced.
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| What force resists the movement of the airplane through the air? | show 🗑
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| show | Drag slows down the plane and lessens fuel economy.
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| show | Drag acts along and opposed to the direction of flight.
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| show | Thrust is a push forward along the direction of drag.
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| Apply Newton's third law to thrust from a propeller. | show 🗑
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| show | Pitch
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| show | Yaw
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| show | Roll
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| What is stability? | show 🗑
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| What three design features help create stability? | show 🗑
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| When all forces acting on an object cancel each other, so the net force is 0, we call them this: | show 🗑
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| show | direction
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| When unbalanced forces act on an object, the object does this. | show 🗑
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| If a plane is flying level at a constant speed, what can you tell about the 4 forces of flight acting on it? | show 🗑
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| show | Newton's 1st Law of Motion: an object in motion remains in motion in the same direction at the same speed unless acted on by unbalanced forces.
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| If a pilot applies more throttle, and the plane accelerates, which of Newton's Laws is at work? | show 🗑
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| The rate of change in speed of an object (speeding up or slowing down) | show 🗑
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| show | 62.5 km/h
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| Solve a practice problem (using 5 step method) If a student takes 3 seconds to run to first base at an average speed of 6.5 m/s, what distance did she run? | show 🗑
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| show | 25 s
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| show | 05 m/s^2
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| show | 2 m/s^2
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| Solve a practice problem (using 5 step method) What is the weight of a 65 km student on earth? | show 🗑
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Created by:
tbrandt
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