contestada

Gunter, the weightlifter, can lift a 230.0-kg barbell overhead on Earth. The
acceleration due to gravity on the sun is 274 m/s2. a) Would the barbells be
heavier on the sun or on the earth? b) How much (in newtons) would the
barbells weigh on the sun (if it were possible to stand on the sun without
melting)?

Respuesta :

Answer:

(a) The barbells is heavier on the surface of sun.

(b) Weight of barbell on the sun, W = 63020 N

Step-by-step explanation:

Mass lifted by barbell, m = 230 kg

The acceleration due to gravity on the sun is, [tex]g=274\ m/s^2[/tex]

(a) The weight of barbell on the surface of earth is :

[tex]W=230\times 9.8=2254\ N[/tex]

The weight of barbell on the surface of sun is :

[tex]W=230\times 274=63020\ N[/tex]

The barbells is heavier on the surface of sun.

(b) On the surface of sun the weight of the barbell is 63020 N. Hence, this is the required solution.

Lanuel

a. The barbell would be heavier on the Sun than on Earth.

b. The weight of the barbell on the Sun is 63,020 Newton.

Given the following data:

  • Mass of barbell = 230.0-kg
  • Acceleration due to gravity on the Sun = 274 [tex]m/s^2[/tex]

We know that acceleration due to gravity (g) on Earth is equal to 9.8 [tex]m/s^2[/tex]

a. To find which barbell would be

heavier, we would have to determine the weight of each barbell;

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

[tex]Weight = mg[/tex]

Where;

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

For the barbell on the Sun:

[tex]Weight = 230 \times 274[/tex]

Weight = 63,020 Newton.

For the barbell on Earth:

[tex]Weight = 230 \times 9.8[/tex]

Weight = 2,254 Newton.

Therefore, the barbell would be heavier on the Sun.

b. To find the weight of the barbell on the Sun:

[tex]Weight = 230 \times 274[/tex]

Weight = 63,020 Newton.

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