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------------------------------------------------ If an object has a mass of 20 kg, what's the force of gravity acting on it on Earth?

A. 196 N
B. 1.96 kg
C. 32.67 N
D. 2.04 kg

Answer :

Sure! Let's calculate the force of gravity acting on an object with a mass of 20 kg on Earth.

To find the force of gravity, we use the formula:

[tex]\[ \text{Force} = \text{mass} \times \text{acceleration due to gravity} \][/tex]

On Earth, the acceleration due to gravity is approximately [tex]\( 9.8 \, \text{m/s}^2 \)[/tex].

1. Start with the given mass of the object:
[tex]\[ \text{mass} = 20 \, \text{kg} \][/tex]

2. Use the acceleration due to gravity on Earth:
[tex]\[ g = 9.8 \, \text{m/s}^2 \][/tex]

3. Plug the values into the formula to calculate the force:
[tex]\[ \text{Force} = 20 \, \text{kg} \times 9.8 \, \text{m/s}^2 \][/tex]

4. Perform the multiplication:
[tex]\[ \text{Force} = 196 \, \text{N} \][/tex]

The force of gravity acting on the object is 196 Newtons. Therefore, the correct answer is option A: 196 N.