Free Fall

Free Fall

Assessment

Flashcard

Physics

11th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is free fall?

Back

Free fall is the motion of an object under the influence of gravitational force only, without any air resistance.

2.

FLASHCARD QUESTION

Front

What is the acceleration due to gravity on Earth?

Back

The acceleration due to gravity on Earth is approximately 9.81 m/s².

3.

FLASHCARD QUESTION

Front

What happens to the velocity of an object in free fall?

Back

The velocity of an object in free fall increases by approximately 9.81 m/s every second.

4.

FLASHCARD QUESTION

Front

At what point in its trajectory is the velocity of a thrown object zero?

Back

The velocity of a thrown object is zero at the highest point of its trajectory.

5.

FLASHCARD QUESTION

Front

What is the relationship between height and time in free fall?

Back

The height from which an object is dropped can be calculated using the formula: height = 0.5 * g * t², where g is the acceleration due to gravity and t is the time in seconds.

6.

FLASHCARD QUESTION

Front

Does an object in space experience free fall?

Back

Yes, an object in space experiences free fall if there is no air resistance.

7.

FLASHCARD QUESTION

Front

What is the final velocity of an object dropped from a height of 125 m (ignoring air resistance)?

Back

The final velocity can be calculated using the formula: v = √(2 * g * h), which results in approximately 50 m/s for a height of 125 m.

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