Question

a boy of 30kg stand on the earth, the force exerted by earth on the boy is​ ?(g =10m/s2)
2017SEP

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Answer 1

Answer:

• 300N

Explanation:

Given:

• Weight of the boy = 30kg

To Find:

• Force exerted by earth on the boy

Solution:

Force  =  Mass × Acceleration

⇒ F = ma

• a = g (acceleration due to gravity)

⇒ F = mg

• m = 30kg
• g = 10m/s²

Putting the values

⇒ F = 30 × 10

⇒ F = 300N

∴ Force exerted by earth on the boy is 300 N