Question

Four toy cars are moving at a constant speed until they experience an unbalanced force of 12 N each. Which toy car would have an acceleration of 3 m/s^2?

The car with a mass of 4 kg

The car with a mass of 36 kg

The car with a mass of 8 kg

The car with a mass of 24 kg

Answer 1

I took the test myself and the correct answer is The car with a mass of 4 kg. Hope this helps!

Answer 2

The car with a mass of 4 kg would have an acceleration of $3\;m/s^2$.

Given the following data:

• Force = 12 Newton

• Acceleration = $3 m/s^2$

To find the mass of the car, we would apply Newton's Second Law of Motion:

Mathematically, Newton's Second Law of Motion is given by this formula;

$Force = mass \times acceleration$

Substituting the given parameters into the formula, we have;

$12 = mass \times 3\\\\Mass = \frac{12}{3}$

Mass = 4 kilograms.

Therefore, the car with a mass of 4 kg would have an acceleration of $3\;m/s^2$.

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