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The magnitude of the displacement is:

Correct answer: B. Straight line distance between the initial position and final position of the body

  • A. Size of object A
  • B. Straight line distance between the initial position and final position of the body
  • C. Size of object B
  • D. Any distance between the initial position and the final position of the body

Explanation

The magnitude of the displacement is the straight line distance between the initial position and final position of the body. It is a scalar quantity, which means it has only magnitude and no direction. The size of the object or the distance traveled by the object is not relevant to the magnitude of the displacement. For example, if an object moves from point A to point B, the magnitude of the displacement is the distance between A and B, regardless of the path taken by the object. Here are some examples of the magnitude of displacement: A car drives 20 km north. A bird flies 100 m west. A person walks 50 m in a straight line.

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About Force and Motion

Displacement, velocity and acceleration describe motion, including the horizontal and vertical components of projectile motion. The chapter connects these quantities with Newton's laws, momentum and impulse, then applies conservation of momentum to collisions, distinguishing elastic collisions from inelastic ones.

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