缁濆瘑
鈽?/p>
鍚敤鍓?/p>
浜烘暀鐗?/p>
(
鏂拌绋嬫爣鍑?/p>
)
楂樹腑鐗╃悊蹇呬慨
2
銆婃満杞﹀惎鍔ㄩ棶棰樸�嬫湡鏈涔?
棰樼被鍨嬫�荤粨
銆愮被鍨嬩竴銆戞満杞︽按骞冲惎鍔?/p>
1.
璐ㄩ噺涓?/p>
5 t
鐨勬苯杞︼紝鍦ㄦ按骞宠矾闈笂浠ュ姞閫熷害
a
锛?/p>
2 m/s
2
鍚姩锛屾墍鍙楅樆鍔涗负
1.0脳
10
3
N
锛屾苯杞﹀惎鍔ㄥ悗绗?/p>
1 s
鏈殑鐬椂鍔熺巼鏄?/p>
(
)
A
锛?/p>
2 kW
B
锛?/p>
22 kW
C
锛?/p>
1.1 kW
D
锛?/p>
20 kW
2.
璐ㄩ噺涓?/p>
m
鐨勬苯杞﹀湪骞崇洿鍏矾涓婅椹讹紝闃诲姏
F
f
淇濇寔涓嶅彉
.
褰撴苯杞︾殑閫熷害涓?/p>
v
銆佸姞閫熷害涓?/p>
a
鏃讹紝鍙戝姩
鏈虹殑瀹為檯鍔熺巼涓?/p>
(
)
A
锛?/p>
F
f
v
B
锛?/p>
mav
C
锛?/p>
(
ma
锛?/p>
F
f
)
v
D
锛?/p>
(
ma
锛?/p>
F
f
)
v
3.
姹借溅鍦ㄦ按骞冲叕璺笂浠ラ瀹氬姛鐜囧仛鐩寸嚎杩愬姩锛岄�熷害涓?/p>
3
m/s
鏃剁殑鍔犻�熷害涓?/p>
6
m/s
鏃剁殑
3
鍊嶏紝鑻ユ苯杞?/p>
鍙楀埌鐨勯樆鍔涗笉鍙橈紝鐢辨鍙眰寰?/p>
(
)
A
锛?/p>
姹借溅鐨勬渶澶ч�熷害
B
锛?/p>
姹借溅鍙楀埌鐨勯樆鍔?/p>
C
锛?/p>
姹借溅鐨勯瀹氬姛鐜?/p>
D
锛?/p>
閫熷害浠?/p>
3 m/s
澧炲ぇ鍒?/p>
6 m/s
鎵�鐢ㄧ殑鏃堕棿