鍏板窞浜ら�氬ぇ瀛?/p>
1
璇剧▼鍚嶇О
澶у鐗╃悊
A
鎴愮哗
鐝骇
濮撳悕
瀛﹀彿
涓�銆?/p>
閫夋嫨棰?/p>
锛堟瘡灏忛
3
鍒嗭紝鍏?/p>
45
鍒嗭級
1
锛?/p>
1
锛?/p>
鏌愯川鐐圭殑杩愬姩鏂圭▼涓?/p>
3
3
5
6
x
t
t
飥?/p>
飥?/p>
飥?/p>
锛?/p>
SI
锛?/p>
锛?/p>
鍒欒璐ㄧ偣鍋?/p>
锛?/p>
锛?/p>
(A)
鍖�鍔犻�熺洿绾胯繍鍔紝鍔犻�熷害娌?/p>
x
杞存鏂瑰悜
(B)
鍖�鍔犻�熺洿绾胯繍鍔紝鍔犻�熷害娌?/p>
x
杞磋礋鏂瑰悜
(C)
鍙樺姞閫熺洿绾胯繍鍔紝鍔犻�熷害娌?/p>
x
杞存鏂瑰悜
(D)
鍙樺姞閫熺洿绾胯繍鍔紝鍔犻�熷害娌?/p>
x
杞磋礋鏂瑰悜
2
锛庝竴璐ㄧ偣鍦ㄥ钩闈笂浣滀竴鑸洸绾胯繍鍔紝鍏剁灛鏃堕�熷害涓?/p>
v
飦?
锛岀灛鏃堕�熺巼涓?/p>
v
锛屾煇涓�
鏃堕棿鍐呯殑骞冲潎閫熷害涓?/p>
v
飦?
锛屽钩鍧囬�熺巼涓?/p>
v
锛屽畠浠箣闂寸殑鍏崇郴蹇呭畾鏈夛細
锛?/p>
锛?/p>
(A)
v
v
飥?/p>
飦?/p>
锛?/p>
v
v
飩?/p>
飦?/p>
(B)
v
v
飩?/p>
飦?/p>
锛?/p>
v
v
飥?/p>
飦?
(C)
v
v
飩?/p>
飦?/p>
锛?/p>
v
v
飩?/p>
飦?/p>
(D)
v
v
飥?/p>
飦?/p>
锛?/p>
v
v
飥?/p>
飦?
3
锛庨杞仛鍔犻�熻浆鍔ㄦ椂锛岃疆杈圭紭涓婁竴鐐圭殑杩愬姩瀛︽柟绋嬩负
s=0.1t
3
(SI)
銆傞杞崐
寰勪负
2m
銆傚綋姝ょ偣鐨勯�熺巼涓?/p>
v=30m/s
鏃讹紝鍏跺垏鍚戝姞閫熷害銆佹硶鍚戝姞閫熷害鍒嗗埆涓?/p>
锛?/p>
锛?/p>
(A) 6m/s
2
锛?/p>
450m/s
2
锛?/p>
(B) 6m/s
2
锛?/p>
90m/s
2
锛?/p>
(C)3m/s
2
锛?/p>
90m/s
2
锛?/p>
(D)3m/s
2
锛?/p>
450m/s
2
锛?/p>
4
锛庤川閲忎负
1kg
鐨勫脊鎬у皬鐞冧互
20m/s
鐨勯�熷害鍨傜洿钀藉悜鍦伴潰锛屽張浠?/p>
10m/s
鐨勯�?/p>
搴﹀脊鍥烇紝璁惧皬鐞冧笌鍦伴潰鐨勬帴瑙︽椂闂翠负
0.1s
锛屽垯纰版挒杩囩▼涓皬鐞冨鍦伴潰鐨勫钩
鍧囧啿鍔涘ぇ灏忎负
锛?/p>
锛?/p>
(A)30N (B)10N
(C)300N
锛?/p>
(D)100N
5
锛?/p>
璐ㄧ偣绯诲唴鍔涘彲浠ユ敼鍙橈細
锛?/p>
锛?/p>
(A)
绯荤粺鐨勬�昏川閲忥紝
(B)
绯荤粺鐨勬�诲姩鑳?/p>
(C)
绯荤粺鐨勬�诲姩閲忥紝
(D)
绯荤粺鐨勬�昏鍔ㄩ噺
6
锛庡鍥炬墍绀猴紝涓�鎽嗙敱璐ㄩ噺鍧囦负
m
鐨勬潌涓庡渾鐩樻瀯鎴愶紝鏉嗛暱绛変簬鍦嗙洏鐩村緞
D
鐨?/p>
2
鍊嶏紝鍒欐憜瀵归�氳繃
O
鐐瑰苟涓庡渾鐩樺钩闈㈠瀭鐩磋酱鐨勮浆鍔ㄦ儻閲忎负
锛?/p>
锛?/p>
(A)
17
7
24
mD
2
(B)
17
4
mD
2
(C)
17
5
24
mD
2
(D)
17
6
mD
2
7.
鍑犱釜鍔涘悓鏃朵綔鐢ㄥ湪涓�涓叿鏈夊浐瀹氳浆杞寸殑鍒氫綋涓婏紝濡傛灉杩欏嚑涓殑鐭㈤噺鍜屼负
闆讹紝鍒欐鍒氫綋
锛?/p>
锛?/p>
寰楀垎