Assuming that there is no air resistance, what is the acceleration produced in a body of mass 25 kg falling freely from a height of 2m?

12.5 m / s^{2}

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50 m / s^{2}

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9.8 m / s^{2}

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19.6 m / s^{2}

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Solution

The correct option is B $9.8 m / s^{2}$
Answer is C.
Acceleration is constant and equal to g = $9.8 m / s^{2}$ .
Force causes acceleration, and force comes from a field (gravitational field, magnetic field) or contact - like a push. The only force acting on the freely falling body is its weight due to the earth's gravitational field. The gravitational force, which is, mass times gravitational acceleration = mg.

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If mass and radius of the Earth are $6.0 \times 10^{24}$ kg and $6.4 \times 10^{6}$ m respectively, calculate the force exerted by the Earth on a body of mass 1 kg. Also, calculate acceleration produced in the body of mass 1 kg and acceleration produced in the Earth.

What is the acceleration produced in a freely falling body of mass 10 kg? (Neglect air resistance)

Q. A body of mass

10 k g

is placed in a lift moving upward with an acceleration of

2 m / s^{2}

. The apparent weight of body is

(g = 9.8 m / s^{2})

Q. A body of mass 1.0 kg is falling with an acceleration of

10 m / s^{2}

. Its apparent weight will be

(g = 10 m / s^{2})

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