Circular Motion

When an object moves in a circle, there is an unbalanced force on it that acts toward the center of the circle

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True

False

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POINTS (1)

Correct Answer

Explanation

In the case of a rock whirling on the end of a string, the string provides the force toward the center

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True

False

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POINTS (1)

Correct Answer

Explanation

When an object moves in a circle, there is an unbalanced force on it that acts toward the center of the circle called _________ force

Missing

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Explanation

According to Newton's second law, what happens if an object has an unbalanced force on it

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Accelerates

Decelerates

Stops

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Correct Answer

Explanation

An object moving around in a circle at a constant speed

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It is possible for an object to move around in a circle at a constant speed. How can there be an acceleration in this case?

There is no acceleration

Direction changes even if its speed is not

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Explanation

Suppose the string in the figure breaks as you whirl the rock

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Will the rock fly off as shown in X or y?

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POINTS (1)

When an object moves in a circle, there is an unbalanced force on it that acts toward the center of the circle

Correct Answer

Explanation

In the case of a rock whirling on the end of a string, the string provides the force toward the center

Correct Answer

Explanation

When an object moves in a circle, there is an unbalanced force on it that acts toward the center of the circle called _________ force

Correct Answer

Explanation

According to Newton's second law, what happens if an object has an unbalanced force on it

Correct Answer

Explanation

An object moving around in a circle at a constant speed

Correct Answer

Explanation

Suppose the string in the figure breaks as you whirl the rock

Correct Answer

Explanation

Quran Recitation