Free Fall Flashcards

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1
Q

The acceleration due to gravity decreases as….

A

The altitude increases

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2
Q

The longer the distance of the fall, ….

A

The acceleration due to gravity is no longer approximately constant

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3
Q

The idealized motion by which air resistance is neglected and the acceleration is nearly constant is known…

A

Free Fall

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4
Q

The acceleration of the freely falling body is called…

A

Acceleration due to gravity

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5
Q

Acceleration due to gravity’s magnitude is denoted by symbol….

A

g

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6
Q

g is equals to

A

9.8 m/s²

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7
Q

The acceleration due to gravity decreases as the altitude increases, and …..

A

Varies slightly with latitude

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8
Q

What effect is responsible for the slower fall if an object?

A

Effect of air resistance

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9
Q

Is it true that gravity makes the heavy objects fall faster than light objects?

A

False

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10
Q

A nice demonstration of lunar free fall was performed by…..who dropped a….and a….. simultaneously from the same height.

A

Astronaut David Scott
Hammer and feather

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11
Q

The acceleration due to gravity near the surface of the moon was approximately …..as large as that on earth.

A

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12
Q

Since the acceleration due to gravity is directed towards the center of the earth, by vector principle, g becomes

A

-9.8 m/s²

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13
Q

In displacements, when object goes up it is what sign?

A

Positive

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14
Q

In displacements, when objects go down? Or downwards, the sign is?

A

Negative

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