2017 AP Physics 1物理Algebra-Based真题系列之Practice Exam简答题免费下载

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2017 AP Physics 1 Algebra-based Practice Exam Free-Response Questions Free Download

2017 AP 物理1模考简答题部分免费下载

此套题仅 Section II含有简答题,

共计时1小时30分钟,共5题

占总分50%

每道大题可能含有不同数量的小题

可以使用计算器

考试时会提供常用的公示表

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2017国际课程AP Physics 1物理1真题与答案下载
2)A disk-shaped platform has a known rotational inertia. The platform is mounted on a fixed axle and rotates in a horizontal plane, as shown above. A student wishes to determine the frictional torque exerted on the platform by the axle as the platform rotates. The student has access to equipment that would usually be found in a school physics laboratory.

  1. Describe an experimental procedure the student could use to collect the data needed to find the frictional torque exerted on the platform while it rotates.
    1. What quantities would be measured?
    2. What equipment would be used for the measurements, and how would that equipment be used?
    3. Describe the overall procedure to be used, including any steps necessary to reduce experimental uncertainty. Give enough detail so that another student could replicate the experiment.
  2. Describe how the data from the measurements could be analyzed to determine the frictional torque exerted on the rotating platform.
    It is often assumed that the frictional force between two surfaces is independent of their relative speed. However, the details of the axle’s construction are unknown, and it is possible that the frictional torque for the axle depends on the platform’s angular speed.
  3. Does the experiment described in parts (a) and (b) depend on the assumption that the frictional torque is independent of the platform’s angular speed?
    ____ Yes ____ No
    Note: Either answer may be correct, depending on your experimental design.
    If you answered yes, describe which part of your analysis depends on this assumption.
    If you answered no, explain how your analysis does not depend on this assumption.
  4. Briefly describe how the experimental procedure described in parts (a) and (b) could be modified to determine whether the frictional torque stays constant as the angular speed changes. If no modification is necessary, state that explicitly. In either case, describe how the data could be analyzed to determine whether the frictional torque stays constant as the angular speed changes.

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2017 AP Physics 1 Algebra-Based Free-Response Questions Free Download

2017 AP 物理1简答题免费下载

此套题仅 Section II含有简答题,

共计时1小时30分钟,共5题

占总分50%

每道大题可能含有不同数量的小题

可以使用计算器

考试时会提供常用的公示表

下载方式请访问下方链接

2017 AP Physics1物理FRQ真题

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