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Select the best answer for the question:

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

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

Answer :

To determine the force of gravity acting on an object with a given mass on Earth, we use the formula:

[tex]\[ F = m \times g \][/tex]

where:
- [tex]\( F \)[/tex] is the force of gravity,
- [tex]\( m \)[/tex] is the mass of the object (in kilograms),
- [tex]\( g \)[/tex] is the acceleration due to gravity on Earth (approximately [tex]\( 9.8 \, \text{m/s}^2 \)[/tex]).

Given:
- Mass ([tex]\( m \)[/tex]) = 20 kg
- Acceleration due to gravity ([tex]\( g \)[/tex]) = 9.8 m/s²

We can calculate the force of gravity:

[tex]\[ F = 20 \, \text{kg} \times 9.8 \, \text{m/s}^2 \][/tex]

[tex]\[ F = 196 \, \text{N} \][/tex]

Therefore, the best answer is:

D. 196 N

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