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AP Physics 1: Algebra-Based 2.1 B Describe the Location of a Systems Center of Mass with Respect to the Systems Constituent Parts Questions

Practise locating a system’s center of mass and tracking its path or velocity as the positions and velocities of its constituent objects change.

Syllabus
Effective Fall 2024
Course
AP Physics 1: Algebra-Based

Exam points

  • Infer the center-of-mass location and path from object positions and external forces on the system
  • Calculate center-of-mass velocity for equal masses from each object’s velocity

AP Physics 1: Algebra-Based 2.1 B Describe the Location of a Systems Center of Mass with Respect to the Systems Constituent Parts Questions question 1

[Maximum number: 1]

Two identical objects, 1 and 2, are initially at rest. Object 1 remains at rest while Object 2 begins to accelerate in the +x-direction. Which of the following claims regard ing the location of the center of mass of the two-object system is correct?

A

The location of the center of mass does not change.

B

The location of the center of mass moves in the +x direction at a constant speed.

C

The location of the center of mass accelerates in the +x-direction and is located between the two ob jects.

D

The location of the center of mass accelerates in the +x-direction and is located at the same location as Object 2.

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