Which statement about the acceleration of an object is correct?

Physics

1 answer:

Step2247 [10]3 years ago

3 0

Answer:

a. The acceleration of an object is directly proportional to the net external force acting on the object and inversely proportional to the mass of the object.

Explanation:

Newton's Second Law of Motion states that the acceleration of a physical object is directly proportional to the net force acting on the physical object and inversely proportional to its mass.

Mathematically, it is given by the formula;

Acceleration = force/mass

Hence, the statement about the acceleration of an object which is correct is that the acceleration of an object is directly proportional to the net external force acting on the object and inversely proportional to the mass of the object.

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Answer:

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Explanation:

Here the moment created by the wheels and the moment created by the center of gravity will balance each other.

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a = Horizontal acceleration

The equation is of the form

$mgd=Fh\\\Rightarrow mgd=mah\\\Rightarrow a=\dfrac{gd}{h}\\\Rightarrow a=\dfrac{9.81\times \dfrac{146\times 10^{-2}}{2}}{78.5\times 10^{-2}}\\\Rightarrow a=9.12267515924\ m/s^2$