¶ê©P¹B°Ê©M¦V¤ß¤O Circular Motion and Centripetal Force |
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r ªº¶ê§Î²¾°Ê¡C¦b A ÂI¡A¥¦ªºÀþ¶¡³t«× (instantaneous velocity) V¬OªuµÛ¤Á½u
AC ©M¦bµuªº®É¶¡«á Dt¡A¦bBÂI¡A¥¦ªº·s³t«×V
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BD¡C¦]¬°¤è¦V§ïÅÜ (direction changes)¡A©Ò¥H³t«× (velocity) ¥ç§ïÅÜ¡C
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¬O ¦V¤ß¤O centripetal force (¨Ò¦p¡G÷ªº©Ô¤O©Î««ª½©ó¶ê§Îy¹Dªº¤Ï§@¥Î¤O) ¡A¥¦¨Ïª«Åé«O«ù¶ê¶g¹B°Ê¡C
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±q¥H¤Wµu¤ùÅã¥Ü¡A·íÂà°Ê³t«×¶V¤j¡A«h©Ò»Ýªº¦V¤ß¤O¥ç¶V¤j
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