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Movement and Energy
•  16     Featured
• What is the name of the force produced by an engine that pushes a vehicle forward?
Thrust
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• The Force of the air that acts against the movement of an aircraft.
Drag
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• The upward pressure of air on an aircraft when it is flying.
Lift
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• The downward pull of gravity.
Weight
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• How fast something is moving, measured as the distance travelled in a unit of time.
Speed
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• Speed of travel in a given direction.
Velocity
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• The increase of velocity in a unit of time.
Acceleration
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• Negative acceleration ( or the decrease of velocity in a unit of time)
Deceleration
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• A condition where forces are balanced.
Equilibrium
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• When a rocket takes off, ______________ occurs.
acceleration
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• A building is a good example of _______________.
Equilibrium.
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• One of the most important instruments in a car tells you the car´s_____________.
Speed
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• "The train is going 120 kilimeters per hour straight ahead". This is an example of__________.
Velocity
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• The stored energy an object has because of its position or state. A bicycle on top of a hill, a book held over your head, and a stretched spring all have______________.
Potential Energy
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• _______is the energy an object has due to its motion. As long as an object is moving at the same velocity, it will maintain the same _________. The ______of an object is calculated from the velocity and the mass of the object.
Kinetic energy.
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• ____________is the flow of tiny particles called electrons and protons. It can also mean the energy you get when electrons flow from place to place. ... Lightning is nothing but a large number of electrons flowing through air all at once.
Electricity
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