If the mass of an object were doubled, its acceleration due to gravity would be A)unchanged
B)doubled
C)halved
D)quadrupled

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If the mass of an object were doubled, its acceleration due to gravity would be unchanged.

MASS AND ACCELERATION:

The relationship between force, mass and acceleration has been described by Newton in the following equation:Force = mass × accelerationAcceleration = force ÷ massThis equation portrays that the acceleration of an object is inversely proportional to the mass. That is, as the mass of an object increases, the acceleration decreases and vice versa. However, the acceleration due to gravity of every object on Earth is constant i.e. 9.8m/s² irrespective of its mass. This means that if the mass of an object were doubled, its acceleration due to gravity would be unchanged.

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Unchanged because ALL objects fall at 9.8m/s^2. Yes, all

therefore, the efficiency is:

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