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Question

Which of following is correct. Explain

A

$$\overrightarrow r. \overrightarrow F =0$$ but $$\overrightarrow F. \overrightarrow \tau = 0$$

B

$$\overrightarrow r. \overrightarrow F =0$$ but $$\overrightarrow F. \overrightarrow \tau \neq 0$$

C

$$\overrightarrow r. \overrightarrow F \neq 0$$ but $$\overrightarrow F. \overrightarrow \tau = 0$$

D

$$\overrightarrow r. \overrightarrow F \neq 0$$ but $$\overrightarrow F. \overrightarrow \tau \neq 0$$

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Solution

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Correct option is C. $$\overrightarrow r. \overrightarrow F =0$$ but $$\overrightarrow F. \overrightarrow \tau = 0$$

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