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According to Galileo's Law of Inertia, an object is acting as if it is not under any outside influence if it is moving
(A) around a circle at constant speed.
(B) in a straight line at constant speed.
(C) in a straight line at changing speed.
(D) around a circle at changing speed.
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According to Galileo's Law of Inertia, an object is acting as if it is not under any outside influence if it is moving
(A) around a circle at constant speed.
No. Its acceleration is not zero.
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What this question is about
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According to Galileo's Law of Inertia, an object is acting as if it is not under any outside influence if it is moving
(B) in a straight line at constant speed.
Yes. Its acceleration vector is then zero.
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According to Galileo's Law of Inertia, an object is acting as if it is not under any outside influence if it is moving
(C) in a straight line at changing speed.
No. Its acceleration would not be zero.
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According to Galileo's Law of Inertia, an object is acting as if it is not under any outside influence if it is moving
(D) around a circle at changing speed.
No. Its acceleration would not be zero.
Try again.
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What this question is about