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A 20 kg mass is dropped from a tall rooftop and accelerates at [tex]9.8 \, \text{m/s}^2[/tex]. What is the weight of the dropped object?

A) 0 N
B) 9.8 N
C) 20 N
D) 196 N

Answer :

The weight of the dropped object is: D) 196 N

Given the following data;

  • Mass = 20 kg
  • Acceleration = 9.8 m/s^2

Also, we know that acceleration due to gravity is equal to 9.8 m/s^2.

To find the weight of the dropped object;

Mathematically, the weight of an object is given by the formula;

[tex]Weight = mg[/tex]

Where;

  • m is the mass of an object.
  • a is the acceleration due to gravity.

Substituting the values into the formula;

[tex]Weight = 20 * 9.8[/tex]

Weight = 196 Newton

Therefore, the weight of the dropped object is 196 Newton.

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Rewritten by : Barada

I would say the weight would be 196 N.

Hope this helps :)