2014 AP Physics C物理C—Mechanics力学真题系列之Practice Exam选择题免费下载

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2014 AP Physics C Mechanics Practice Exam Multiple Choices Free Download

2014 AP 物理C力学模考选择题部分免费下载

此套题仅 Section II含有简答题，

共计时45分钟，共35题

占总分50%

可以使用计算器

仅可使用铅笔

考试时会提供常用公式列表

完整版下载链接见文末

部分真题预览：

1）An object is released from rest from a great height and reaches its terminal velocity. Which of the following statements is true of the object while it is falling with terminal velocity?

1. There is no longer a gravitational force on it.
2. There is no longer a drag (air resistance) force on it.
3. Its acceleration is upward.
4. The magnitudes of the gravitational and drag forces on it are equal.
5. The gravitational and drag forces on it act in the same direction.

2）A student with a mass of 50 kg is standing on a bathroom scale while riding in an elevator. If the reading on the scale is 400N , which of the following is a correct description of the elevator’s motion?

1. Moving upward with increasing speed
2. Moving upward with constant speed
3. Moving downward with constant speed
4. Moving downward with increasing speed
5. Moving downward with decreasing speed

13）A ball is tossed and follows the trajectory shown above. Point P is the highest point on the trajectory, and air resistance is negligible. Which of the following statements is true of
he ball while it is in motion?

1. Its speed is constant.
2. Its acceleration is constant.
3. The horizontal component of its velocity is zero at point P.
4. The vertical component of its velocity is a maximum at point P.
5. Its kinetic energy is a maximum at point P.

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