1
銆婃満姊版尟鍔ㄥ櫔澹板銆嬩範棰橀泦
1
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1
闃愭槑涓嬪垪姒傚康锛屽繀瑕佹椂鍙敤鎻掑浘銆?/p>
(a)
鎸姩锛?/p>
(b)
鍛ㄦ湡鎸姩鍜屽懆鏈燂紱
(c)
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1
锛?/p>
2
涓�绠�璋愯繍鍔紝鎸箙涓?/p>
0.20 cm
锛屽懆鏈熶负
0.15 s
锛屾眰鏈�澶х殑閫熷害鍜屽姞閫熷害銆?/p>
1
锛?/p>
3
涓�鍔犻�熷害璁℃寚绀虹粨鏋勮皭鎸湪
82 Hz
鏃跺叿鏈夋渶澶у姞閫熷害
50 g
锛屾眰鍏舵尟鍔ㄧ殑鎸箙銆?/p>
1
锛?/p>
4
涓�绠�璋愭尟鍔ㄩ鐜囦负
10 Hz
锛屾渶澶ч�熷害涓?/p>
4.57 m/s
锛屾眰鍏舵尟骞呫�佸懆鏈熷拰鏈�澶у姞閫熷害銆?/p>
1
锛?/p>
5
璇佹槑涓や釜鍚岄鐜囦絾涓嶅悓鐩镐綅瑙掔殑绠�璋愯繍鍔ㄧ殑鍚堟垚浠嶆槸鍚岄鐜囩殑绠�璋愯繍鍔ㄣ�傚嵆锛?/p>
A
cos
飦?/p>
n
t
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飦?/p>
n
t
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n
t
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)
锛屽苟璁ㄨ
飦?/p>
锛?/p>
0
銆?/p>
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/2
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飦?/p>
涓夌鐗逛緥銆?/p>
1
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6
涓�鍙伴潰浠ヤ竴瀹氶鐜囦綔鍨傜洿姝ｅ鸡杩愬姩锛屽瑕佹眰鍙伴潰涓婄殑鐗╀綋淇濇寔涓庡彴闈㈡帴瑙︼紝鍒欏彴闈?
鐨勬渶澶ф尟骞呭彲鏈夊澶э紵
1
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7
璁＄畻涓ょ畝璋愯繍鍔?/p>
x
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涔嬪拰銆傚叾涓?/p>
飦?/p>
<<
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鎷嶇殑鐜拌薄锛屾眰鍏舵尟骞呭拰鎷嶉銆?/p>
1
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8
灏嗕笅鍒楀鏁板啓鎴愭寚鏁?/p>
A
e
i
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(a) 1 + i
3
(b)
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2
(c) 3 / (
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(d) 5 i
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(g) (
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2
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1
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0.4 s
锛屼粖鍦ㄦ瀛愪笂鏀?/p>
W
=
30 N
鐨勯噸鐗╋紝濡傚浘
2
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1
鎵�绀恒�傚凡鐭?
鍛ㄦ湡鐨勫彉鍖?/p>
飦?/p>
飦?/p>
锛?/p>
0.1 s
銆傛眰锛?/p>
( a )
鏀鹃噸鐗╁悗妗屽瓙鐨勫懆鏈燂紱
( b )
妗屽瓙鐨勮川閲忓拰鍒氬害銆?/p>
2
锛?/p>
2
濡傚浘
2
锛?/p>
2
鎵�绀猴紝闀垮害涓?/p>
L
銆佽川閲忎负
m
鐨勫潎璐ㄥ垰鎬ф潌鐢变袱鏍瑰垰搴︿负
k
鐨勫脊绨х郴浣忥紝
姹傛潌缁?/p>
O
鐐瑰井骞呮尟鍔ㄧ殑寰垎鏂圭▼銆?/p>
2
锛?/p>
3
濡傚浘
2
锛?/p>
3
鎵�绀猴紝璐ㄩ噺涓?/p>
m
銆佸崐寰勪负
r
鐨勫渾鏌变綋锛屽彲娌挎按骞抽潰浣滅函婊氬姩锛屽畠鐨勫渾蹇?/p>
O
鐢ㄥ垰搴︿负
k
鐨勫脊绨х浉杩烇紝姹傜郴缁熺殑鎸姩寰垎鏂圭▼銆?/p>
鍥?/p>
2
锛?/p>
1
鍥?/p>
2
锛?/p>
2
鍥?/p>
2
锛?/p>
3
2
锛?/p>
4
濡傚浘
2
锛?/p>
4
鎵�绀猴紝璐ㄩ噺涓?/p>
m
銆佸崐寰勪负
R
鐨勫渾鏌变綋锛屽彲娌挎按骞抽潰浣滅函婊氬姩锛屼笌鍦嗗績
O
璺?
绂讳负
a
澶勭敤涓ゆ牴鍒氬害涓?/p>
k
鐨勫脊绨х浉杩烇紝姹傜郴缁熶綔寰尟鍔ㄧ殑寰垎鏂圭▼銆?/p>
2
锛?/p>
5
姹傚浘
2
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5
鎵�绀哄脊绨э紞璐ㄩ噺锛嶆粦杞郴缁熺殑鎸姩寰垎鏂圭▼銆?/p>
鍥?/p>
2
锛?/p>
4
鍥?/p>
2
锛?/p>
5