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Natalka [10]
3 years ago
5

Four model rockets are launched in a field. The mass of each rocket and the net force acting on it when it launches are given in

the table below. (1. 4.25kg 120N) (2. 3.25kg 120N) (3. 5.50kg 120N) (4. 4.50kg 120N), Which rocket has the highest acceleration?
Physics
1 answer:
kondor19780726 [428]3 years ago
7 0

Answer:

Rocket 2 has highest acceleration.

Explanation:

Net force,

F = mass (m) × acceleration (a)

We have,

m₁ = 4.25 kg and F = 120 N

a_1=\dfrac{F_1}{m_1}\\\\a_1=\dfrac{120}{4.25}\\\\a_1=28.23\ m/s^2

m₂ = 3.25 kg, F₂ = 120 N

a_2=\dfrac{F_2}{m_2}\\\\a_2=\dfrac{120}{3.25}\\\\a_2=36.92\ m/s^2

m₃ = 5.5 kg, F₃ = 120 N

a_3=\dfrac{F_3}{m_3}\\\\a_3=\dfrac{120}{5.5}\\\\a_3=21.81\ m/s^2

m₄ = 4.5 kg, F₄ = 120 N

a_4=\dfrac{F_4}{m_4}\\\\a_4=\dfrac{120}{4.5}\\\\a_4=26.66\ m/s^2

Hence, it can be seen that the highest acceleration is of rocket 2.

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It has to be on Earth because the gravitational force changes with distance, and the mass of whatever is pulling, which is Earth. If you were on the moon, g would be different from what it is on Earth, about a sixth of what it is, because of the change in distance, and the change in mass. The actual formula for the force of gravity is called Newton’s law of Universal Gravitation, and is:

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