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Q. |
## Which of the following is the correct expression for secondary force? |

A. | m𝜔^2r.cos2θ/n |

B. | m 𝜔^2r.sin2θ/n |

C. | m𝜔^2r.tan2θ/n |

D. | m𝜔^2r.cosθ/n |

Answer» A. m𝜔^2r.cos2θ/n |

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