Physics Semester Exam Review

Physics Semester Exam Review

Assessment

Flashcard

Physics

9th - 12th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is centripetal force?

Back

Centripetal force is the net force that acts on an object moving in a circular path, directed towards the center of the circle.

2.

FLASHCARD QUESTION

Front

How does the centripetal force change if the velocity of an object moving in a circle triples?

Back

The centripetal force multiplies by 9.

3.

FLASHCARD QUESTION

Front

What is the formula for calculating centripetal force?

Back

Centripetal force (Fc) = (mass (m) * velocity (v)^2) / radius (r).

4.

FLASHCARD QUESTION

Front

What happens to the speed of an object if the net force acting on it is zero?

Back

If the net force is zero, the speed of the object remains constant.

5.

FLASHCARD QUESTION

Front

What is free fall?

Back

Free fall is the motion of an object under the influence of gravitational force only, with negligible air resistance.

6.

FLASHCARD QUESTION

Front

How does the time of free fall relate to the height from which an object is dropped?

Back

The time of free fall increases with the square root of the height; if height quadruples, time doubles.

7.

FLASHCARD QUESTION

Front

What is the relationship between velocity and time in a velocity vs. time graph?

Back

The slope of a velocity vs. time graph represents acceleration.

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