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【单选题】
摆式列车是集电脑、自动控制等高新技术于一体的新型高速列车,如图所示。当列车转弯时,在电脑控制下,车厢会自动倾斜,抵消离心力的作用; 行走在直线上时,车厢又恢复原状,就像玩具“不倒翁”一样。假设有一超高速列车在水平面内行驶,以360 km/h的速度拐弯,拐弯半径为1 km,则质量为50 kg的乘客在拐弯过程中受到的火车给他的作用力为(g取10 m/s2)( )A.
500
B.
1000
C.
500根号二
D.
0
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