# Air And Space Vocabulary Test

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Bethcarter
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Quizzes Created: 10 | Total Attempts: 5,559
Questions: 5 | Attempts: 90

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This test is vocabulary only. It covers the information found in the Air and Space Technology chapter.

• 1.

### ________________ is the study of how things fly.

• A.

Aerodynamics

• B.

S

• C.

S

• D.

S

• E.

S

A. Aerodynamics
Explanation
Aerodynamics is the study of how things fly. It involves the analysis of the forces and motion of objects in the air, such as airplanes, rockets, and birds. By studying aerodynamics, scientists and engineers can understand the principles that govern flight and use this knowledge to design more efficient and effective flying machines. This field of study is crucial in the development of aviation and aerospace technology.

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• 2.

### ________________ is the force that pulls objects toward the center of the earth.

• A.

Gravity

• B.

S

• C.

S

• D.

S

• E.

Xz

A. Gravity
Explanation
Gravity is the force that pulls objects towards the center of the earth. It is a natural phenomenon by which all objects with mass or energy are brought towards one another. This force is responsible for keeping objects on the ground and determining the weight of an object. Without gravity, objects would float away into space.

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• 3.

### _________________ can be described as an object in motion resisting any change in its speed and direction unless another force acts on it.

• A.

Inertia

• B.

S

• C.

S

• D.

S

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S

A. Inertia
Explanation
Inertia can be described as an object in motion resisting any change in its speed and direction unless another force acts on it. In other words, an object will continue moving at a constant velocity or remain at rest unless an external force is applied to it. This property of inertia is a fundamental concept in Newton's first law of motion.

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• 4.

### _________________ is the connection between how fast an object isa moving and the mass of the object.

• A.

S

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S

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S

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Momentum

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S

D. Momentum
Explanation
Momentum is the connection between how fast an object is moving and the mass of the object. It is a measure of the amount of motion an object has, taking into account both its speed and its mass. The greater the mass or the faster the object is moving, the greater its momentum. Momentum is a vector quantity, meaning it has both magnitude and direction. It plays a crucial role in understanding and predicting the behavior of moving objects, particularly in collisions and interactions between objects.

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• 5.

### The force of air on a mvoing object is called fluid friction or _________.

• A.

Drag

• B.

S

• C.

S

• D.

S

• E.

S

A. Drag
Explanation
The force of air on a moving object is called fluid friction or drag. Drag is a resistance force that opposes the motion of an object through a fluid, such as air or water. When an object moves through a fluid, the fluid molecules collide with the surface of the object, creating a force that acts opposite to the direction of motion. This force of drag depends on factors such as the shape, size, and speed of the object, as well as the density and viscosity of the fluid.

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• Current Version
• Mar 20, 2022
Quiz Edited by
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• Jan 30, 2008
Quiz Created by
Bethcarter

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