銆?/p>
-
鍙紪杈戜慨鏀?/p>
-
绗笁绔犱綔涓氱瓟妗?/p>
3-6
鍔涚郴涓紝
1
F
=100 N
锛?/p>
2
F
=300 N
锛?/p>
3
F
F=200 N
锛屽悇鍔涗綔鐢ㄧ嚎鐨勪綅缃鍥?/p>
3-6
鎵�绀恒�傝瘯
灏嗗姏绯诲悜鍘熺偣
O
绠�鍖栥�?/p>
鍥?/p>
3-6
3-11
姘村钩鍦嗙洏鐨勫崐寰勪负
r
锛屽缂?/p>
C
澶勪綔鐢ㄦ湁宸茬煡鍔?/p>
F
銆傚姏
F
浣嶄簬閾呭瀭骞抽潰鍐咃紝涓斾笌
C
澶勫渾鐩樺垏绾垮す瑙掍负
60
掳锛屽叾浠栧昂瀵稿鍥?/p>
3-11a
鎵�绀恒�傛眰鍔?/p>
F
瀵?/p>
x
锛?/p>
y
锛?/p>
z
杞翠箣鐭┿�?/p>