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# AP Physics 1

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### Which of the following is a common type of representation used to understand the characteristics and behavior of moving objects?

• Angular Acceleration
• Linear Motion (correct)
• Center of Mass
• Net Force
• ### What is the definition of center of mass?

• A point where angular acceleration occurs
• A point where net force is exerted on the system
• A point where linear motion occurs
• A point on an object or system that is the mean position of the matter (correct)
• ### Which equation relates the acceleration of the center of mass of a system to the net force exerted on the system?

• a = m/F
• F = ma
• F = mv
• a = F/m (correct)
• ### What can different representations of motion be used for?

<p>Predicting and analyzing the motion of objects</p> Signup and view all the answers

### What does the linear motion of a system refer to?

<p>The motion of an object in a straight line</p> Signup and view all the answers

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