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SCIENCE LESSON:

Which of the following statements best describes the relationship between mass and the acceleration of objects in free fall?

A: Objects with less mass are able to avoid air resistance and fall at faster rate.

B: The greater the mass of an object, the greater the acceleration of the object.

C: The greater the mass of an object, the slower the acceleration of the object.

D: All objects fall at the same rate of acceleration regardless of their individual mass.


SCIENCE LESSON:

(Sorry if I spelt something wrong.)

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Answer:

D: All objects fall at the same rate of acceleration regardless of their individual mass.

Explanation:

  • According to Newton's law of motion the resultant force and the rate of change in linear momentum are directly proportional.
  • Mass is inversely proportional to acceleration and directly proportional to the resultant force.
  • An object with more mass will have less acceleration while a lighter object will  have greater acceleration.
  • During free fall object will fall at the same rate of acceleration regardless of their individual mass.
  • Object under free fall are influenced by gravity and air resistance which is negligible and thus they will have an acceleration equivalent to gravitational acceleration.

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